106 WUUS55 KCYS 292300 SVRCYS NEC045-292330- /O.NEW.KCYS.SV.W.0323.260829T2300Z-260829T2330Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 500 PM MDT Sat Aug 29 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Northeastern Dawes County in the Panhandle of Nebraska... * Until 530 PM MDT. * At 459 PM MDT, severe thunderstorms were located along a line extending from 7 miles southwest of Slim Butte to near Red Cloud Campground, moving northeast at 35 mph. HAZARD...70 mph wind gusts. SOURCE...ASOS. At 453 PM MDT the Chadron Airport station measured a 67 MPH wind gust. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Chadron, Chadron Municipal Airport, Red Cloud Campground, Chadron State Park, Dawes County Fairgrounds, and Chadron State Park Campground. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4259 10311 4300 10320 4300 10280 4279 10279 4278 10277 4263 10278 TIME...MOT...LOC 2259Z 243DEG 31KT 4301 10301 4265 10292 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ Vasquez  172 WWUS53 KUNR 292305 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 505 PM MDT Sat Aug 29 2026 SDC047-102-292345- /O.CON.KUNR.SV.W.0344.000000T0000Z-260829T2345Z/ Fall River SD-Oglala Lakota SD- 505 PM MDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR SOUTHEASTERN FALL RIVER AND SOUTHWESTERN OGLALA LAKOTA COUNTIES... At 505 PM MDT, severe thunderstorms were located along a line from 7 miles east of Oral to 29 miles south of Slim Buttes Housing, or along a line from 17 miles east of Hot Springs to 27 miles south of Pine Ridge, moving northeast at 55 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Automated observations. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Pine Ridge, Oglala, Loneman, Prairie Winds Casino, South Lakeside, Dry Wood Housing, Number 4, Calico, Slim Butte, Slim Buttes Housing, Intersection of Red Shirt and Cuny Table Roads, Hay Canyon Butte and southwestern Pine Ridge Reservation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms have produced damaging winds. && LAT...LON 4300 10320 4331 10322 4351 10284 4322 10256 4300 10248 TIME...MOT...LOC 2255Z 244DEG 48KT 4338 10329 4304 10301 4260 10291 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Helgeson  405 WWUS53 KABR 292305 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 605 PM CDT Sat Aug 29 2026 SDC045-107-129-292330- /O.CON.KABR.SV.W.0240.000000T0000Z-260829T2330Z/ Edmunds SD-Potter SD-Walworth SD- 605 PM CDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTHWESTERN EDMUNDS, NORTHEASTERN POTTER AND SOUTHEASTERN WALWORTH COUNTIES... At 605 PM CDT, a severe thunderstorm was located 6 miles northeast of Hoven, moving southeast at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will be near... Tolstoy around 625 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4533 9994 4541 9991 4554 9960 4519 9960 4532 9994 TIME...MOT...LOC 2240Z 298DEG 9KT 4535 9981 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 10  731 FZUS72 KTBW 292306 MWSTBW Marine Weather Statement National Weather Service Tampa Bay Area Ruskin FL 706 PM EDT Sat Aug 29 2026 GMZ850-870-300000- 706 PM EDT Sat Aug 29 2026 ...A STRONG THUNDERSTORM OVER THE WATERS... The areas affected include... Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM... Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM... At 706 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 26 nm west of Bayport, moving west at 15 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 2875 8292 2848 8313 2846 8356 2905 8342 $$ TBW  973 WWUS55 KCYS 292310 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 510 PM MDT Sat Aug 29 2026 NEC007-123-157-292320- /O.EXP.KCYS.SV.W.0322.000000T0000Z-260829T2315Z/ Scotts Bluff NE-Morrill NE-Banner NE- 510 PM MDT Sat Aug 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SCOTTS BLUFF... NORTHWESTERN MORRILL AND NORTHEASTERN BANNER COUNTIES WILL EXPIRE AT 515 PM MDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. && LAT...LON 4163 10306 4165 10352 4195 10359 4201 10317 4200 10302 TIME...MOT...LOC 2310Z 273DEG 36KT 4179 10299 $$ Vasquez  079 WWUS55 KSLC 292310 SVSSLC Severe Weather Statement National Weather Service Salt Lake City UT 510 PM MDT Sat Aug 29 2026 UTC025-037-292330- /O.CON.KSLC.SV.W.0101.000000T0000Z-260829T2330Z/ San Juan UT-Kane UT- 510 PM MDT Sat Aug 29 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT FOR SOUTHWESTERN SAN JUAN AND EASTERN KANE COUNTIES... At 510 PM MDT, a severe thunderstorm was located 9 miles northwest of Lake Powell, or 42 miles south of Escalante, moving east at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Lake Powell and Dangling Rope Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3704 11159 3725 11160 3736 11150 3753 11107 3700 11106 TIME...MOT...LOC 2310Z 256DEG 27KT 3717 11137 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ STW  080 WGUS75 KTWC 292310 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 410 PM MST Sat Aug 29 2026 AZC019-300145- /O.CON.KTWC.FF.W.0162.000000T0000Z-260830T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima AZ- 410 PM MST Sat Aug 29 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MST THIS EVENING FOR EAST CENTRAL PIMA COUNTY... At 410 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.8 and 1.7 inches of rain have fallen. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. At least one swift water rescue is occurring with this dangerous storm. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Tucson, Davis-Monthan Air Force Base, South Tucson and Tucson International Airport. This includes the following highways... Interstate 19 between mile markers 60 and 63. Route 86 near mile marker 171. Interstate 10 between mile markers 259 and 267. This includes the following Flash Flood Prone Locations... Drexel Rd east of Alvernon Way. This includes the following streams and drainages... West Branch Santa Cruz River, Chico, Arroyo and Santa Cruz River. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3222 11087 3222 11093 3221 11099 3216 11100 3213 11097 3212 11092 3213 11086 3219 11087 FLASH FLOOD...RADAR AND GAUGE INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ JRM  862 FZUS72 KKEY 292311 MWSKEY Marine Weather Statement National Weather Service Key West FL 711 PM EDT Sat Aug 29 2026 GMZ033-292345- /O.CON.KKEY.MA.W.0220.000000T0000Z-260829T2345Z/ 711 PM EDT Sat Aug 29 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 745 PM EDT... For the following areas... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... At 711 PM EDT, a strong thunderstorm was located 8 nm southwest of T Tower, moving west at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...National Weather Service Meteorologist. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. The strong thunderstorm will remain over mainly open waters. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare for wind gusts in excess of 34 knots, steep and fast-building seas, frequent lightning strikes, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets. && LAT...LON 2545 8201 2527 8201 2524 8243 2551 8242 TIME...MOT...LOC 2311Z 092DEG 12KT 2537 8221 HAIL...0.00IN WIND...>34KTS $$ 11  652 WWUS55 KCYS 292312 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 512 PM MDT Sat Aug 29 2026 NEC045-292330- /O.CON.KCYS.SV.W.0323.000000T0000Z-260829T2330Z/ Dawes NE- 512 PM MDT Sat Aug 29 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT FOR NORTHEASTERN DAWES COUNTY... At 511 PM MDT, severe thunderstorms were located along a line extending from near Slim Buttes Housing to near Hay Springs, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe thunderstorms will remain over mainly rural areas of northeastern Dawes County. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4262 10288 4300 10301 4300 10280 4279 10279 4278 10277 4263 10278 4262 10282 TIME...MOT...LOC 2311Z 255DEG 39KT 4303 10284 4267 10275 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Vasquez  681 WGUS55 KSLC 292312 FFWSLC UTC025-037-300415- /O.NEW.KSLC.FF.W.0092.260829T2312Z-260830T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 512 PM MDT Sat Aug 29 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... San Juan County in southeastern Utah... South Central Kane County in southern Utah... * Until 1015 PM MDT. * At 512 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across portions of Warm Creek, Last Chance Creek, and Croton Canyon down to Lake Powell. Between 0.25 and 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks, streams, slot canyons, and normally dry washes. * Some locations that will experience flash flooding include... portions of Warm Creek, Last Chance Creek, and Croton Canyon down to Lake Powell, including areas within Glen Canyon National Recreation Area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. && LAT...LON 3732 11171 3739 11127 3719 11121 3700 11120 3700 11144 3712 11162 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ JAC  990 WWUS55 KFGZ 292314 SVSFGZ Severe Weather Statement National Weather Service Flagstaff AZ 414 PM MST Sat Aug 29 2026 AZC025-292324- /O.CAN.KFGZ.SV.W.0103.000000T0000Z-260829T2315Z/ Yavapai AZ- 414 PM MST Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING NEAR PARSONS SPRING IN YAVAPAI COUNTY IS ENDED... The storm near Parsons Spring in Yavapai County which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been ended. && LAT...LON 3479 11212 3485 11221 3496 11210 3491 11193 TIME...MOT...LOC 2240Z 218DEG 9KT 3486 11211 $$ McCollum  081 WUUS52 KJAX 292316 SVRJAX FLC023-125-292345- /O.NEW.KJAX.SV.W.0249.260829T2316Z-260829T2345Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Jacksonville FL 716 PM EDT Sat Aug 29 2026 The National Weather Service in Jacksonville has issued a * Severe Thunderstorm Warning for... West central Union County in northern Florida... Southern Columbia County in northern Florida... * Until 745 PM EDT. * At 716 PM EDT, a severe thunderstorm was located near Providence, or 9 miles northeast of Ichetucknee Spring, moving northwest at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Lake City, Columbia, and Providence. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 3003 8248 2991 8259 3004 8279 3019 8265 TIME...MOT...LOC 2316Z 125DEG 6KT 3002 8262 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CHANEY  755 WHUS52 KKEY 292317 SMWKEY GMZ033-035-044-054-300015- /O.NEW.KKEY.MA.W.0221.260829T2317Z-260830T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Key West FL 717 PM EDT Sat Aug 29 2026 The National Weather Service in Key West has issued a * Special Marine Warning for... Hawk Channel and Straits of Florida from west end of Seven Mile Bridge to Halfmoon Shoal out 20 nm... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 fathoms... * Until 815 PM EDT. * At 717 PM EDT, a strong thunderstorm was located over Boca Grande, moving west at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...National Weather Service Meteorologist. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * Locations in the warning include... Cosgrove Shoal Light, Boca Grande, and Marquesas Keys. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor as quickly, and as safely as possible. When downpours reduce visibility, slow down. && LAT...LON 2462 8234 2464 8199 2446 8195 2435 8229 TIME...MOT...LOC 2317Z 078DEG 9KT 2454 8205 HAIL...0.00IN WIND...>34KTS $$ 11  596 WGUS75 KFGZ 292317 FFSFGZ Flash Flood Statement National Weather Service Flagstaff AZ 417 PM MST Sat Aug 29 2026 AZC005-300045- /O.CON.KFGZ.FF.W.0135.000000T0000Z-260830T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Coconino AZ- 417 PM MST Sat Aug 29 2026 ...FLASH FLOOD WARNING FOR THE BRIGHT ANGEL CREEK BASIN BELOW THE DRAGON BRAVO FIRE SCAR REMAINS IN EFFECT UNTIL 545 PM MST THIS AFTERNOON FOR COCONINO COUNTY... At 417 PM MST, Doppler radar indicated that thunderstorm and heavy rain has ended over the Bright Angel Creek Basin below the Dragon Bravo Fire scar. Between 0.25 and 0.75 inches of rain in about 30 minutes according to radar. Reports indicate that flash flooding is ongoing. HAZARD...Life threatening flash flooding in and around the Bright Angel Creek Basin below the Dragon Bravo Fire scar. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of areas in and around the Bright Angel Creek Basin below the Dragon Bravo Fire scar. Some locations that will experience flash flooding include... Bright Angel Point, Phantom Ranch, Pipe Creek Resthouse, Point Sublime, Cape Royal Point, Grand Canyon National Park, Buddha Cloister and Vista Encantada. This includes the Colorado River between river miles 87 and 89...and between river miles 99 and 100. This includes the following recreation areas and campgrounds... Ribbon Falls, Bright Angel Campground, North Rim Campground, Cottonwood Campground, Clear Creek Camp Site, Upper Cremation Camp Site, Lower Cremation Camp Site, Roy's Beach Camp Site, Boat Beach Camp Site, Crystal Camp Site, Ego Beach Camp Site, Above Tuna Creek Camp Site, Above Tuna Rapids Camp Site, Manzanita Rest Area and Roaring Springs. This includes the following creeks, washes and rivers... Bright Angel Creek, Crystal Creek, Colorado River, Clear Creek, Tuna Creek, Unkar Creek, Shinumo Creek, Kwagunt Creek, North Canyon, South Canyon, Zoroaster Canyon, Nankoweap Canyon, Lava Canyon and Slate Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Flash flooding is occurring or imminent downstream of the Dragon Bravo Fire scar. Severe debris flow are expected downstream of the North Rim into Bright Angel Creek and Crystal Creek. Campers and hikers should get away from creeks and move to higher ground immediately! Stay away or be swept away! && LAT...LON 3613 11224 3614 11226 3619 11227 3632 11216 3633 11206 3630 11201 3624 11198 3619 11193 3612 11195 3608 11203 3610 11208 3610 11211 3611 11210 3618 11216 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ McCollum  831 WWUS53 KABR 292317 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 617 PM CDT Sat Aug 29 2026 SDC045-107-129-292327- /O.CAN.KABR.SV.W.0240.000000T0000Z-260829T2330Z/ Edmunds SD-Potter SD-Walworth SD- 617 PM CDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHWESTERN EDMUNDS, NORTHEASTERN POTTER AND SOUTHEASTERN WALWORTH COUNTIES... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. However, small hail, gusty winds, and heavy rain are still possible with this thunderstorm. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office. && LAT...LON 4533 9994 4541 9991 4554 9960 4519 9960 4532 9994 TIME...MOT...LOC 2305Z 298DEG 9KT 4532 9972 $$ 10  120 WWUS55 KLKN 292319 SVSLKN Severe Weather Statement National Weather Service Elko NV 419 PM PDT Sat Aug 29 2026 NVC033-292328- /O.CAN.KLKN.SV.W.0037.000000T0000Z-260829T2330Z/ White Pine NV- 419 PM PDT Sat Aug 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WHITE PINE COUNTY IS CANCELLED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. && LAT...LON 3959 11405 3950 11435 3967 11446 3986 11409 3979 11404 TIME...MOT...LOC 2312Z 243DEG 33KT 3977 11398 $$ 97  129 WUUS53 KUNR 292320 SVRUNR SDC007-071-102-300015- /O.NEW.KUNR.SV.W.0345.260829T2320Z-260830T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 520 PM MDT Sat Aug 29 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Western Bennett County in southwestern South Dakota... Southwestern Jackson County in southwestern South Dakota... Oglala Lakota County in southwestern South Dakota... * Until 615 PM MDT. * At 520 PM MDT, severe thunderstorms were located along a line from over Red Shirt Table Overlook to 19 miles south of Wolf Creek Housing, or along a line from 31 miles east of Hot Springs to 20 miles south of Pine Ridge, moving northeast at 55 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Pine Ridge, Martin, Oglala, Porcupine, Kyle, Potato Creek, Manderson, Allen, Wounded Knee, Batesland, Evergreen, Porcupine Butte Housing, Kyle North Route Housing, Sharps Corner, Thunder Valley, Wakpamni, Goose Neck Housing, Swett, Lonesome Valley and Rockyford. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. && LAT...LON 4300 10278 4312 10281 4341 10300 4359 10233 4365 10181 4347 10167 4300 10156 TIME...MOT...LOC 2320Z 244DEG 48KT 4352 10288 4319 10259 4274 10250 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson  380 WWUS55 KCYS 292320 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 520 PM MDT Sat Aug 29 2026 NEC045-292330- /O.EXP.KCYS.SV.W.0323.000000T0000Z-260829T2330Z/ Dawes NE- 520 PM MDT Sat Aug 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DAWES COUNTY WILL EXPIRE AT 530 PM MDT... The storms which prompted the warning have moved out of the area. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with these thunderstorms. && LAT...LON 4262 10288 4300 10301 4300 10280 4279 10279 4278 10277 4263 10278 4262 10282 TIME...MOT...LOC 2320Z 243DEG 31KT 4306 10276 4270 10267 $$ Vasquez  213 WGUS75 KFGZ 292321 FFSFGZ Flash Flood Statement National Weather Service Flagstaff AZ 421 PM MST Sat Aug 29 2026 AZC005-300100- /O.CON.KFGZ.FF.W.0136.000000T0000Z-260830T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Coconino AZ- 421 PM MST Sat Aug 29 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR COCONINO COUNTY... At 421 PM MST, local law enforcement reported thunderstorms producing heavy rain and flash flooding across the warned area. Between 0.75 and 1.25 inches of rain in 30 minutes was estimated by radar earlier. HAZARD...Life threatening flash flooding. SOURCE...Law enforcement reported. IMPACT...Life threatening flash flooding of creeks and streams and normally dry washes. Some locations that will experience flash flooding include... Pima Point, Hermit's Rest, Monument Creek Vista, Hopi Point, Maricopa Point, South Rim Visitors Center, Pipe Creek Resthouse, Pipe Creek Vista, Yaki Point, Grand Canyon Village, Plateau Point, South Rim, Devil?s Corkscrew and Skeleton Point. This includes the Colorado River between river miles 85 and 87...and between river miles 90 and 98. This includes the following recreation areas and campgrounds... Havasupai Gardens Campground, Mather Campground, Clear Creek Camp Site, Below Clear Creek Camp Site, Zoroaster Camp Site, Above Cremation Camp Site, Below Pipe Creek Camp Site, 91 Mile Creek Camp Site, Trinity Creek Camp Site, Above Salt Creek Camp Site, Salt Creek Camp Site, Granite Camp Site, Lower Granite Camp Site, 94 Mile Canyon Camp Site, Hermit Camp Site, Old Dune Camp Site, Bull Schist Camp Site, Schist Camp Site, Upper Boucher Camp Site, Boucher Camp Site and Pipe Creek Rest Area. This includes the following creeks, washes and rivers... Bright Angel Creek, Colorado River, 91- Mile Creek, Zoroaster Canyon, Heather Wash, Sapphire Canyon, Slate Creek, Clear Creek, Travertine Canyon, Monument Creek, Cremation Creek, Coconino Wash, Pipe Creek, Boucher Creek, Agate Canyon, 94- Mile Creek, Ninetyone Mile Creek, Crystal Creek, Trinity Creek, Lonetree Canyon, Hermit Creek, Horn Creek, Bright Angel Wash, Salt Creek and Garden Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Flooding of washes and creeks will occur, some dirt roads will become muddy and impassable. Paved roads and underpasses could become flooded as well. && LAT...LON 3608 11203 3604 11210 3605 11217 3603 11223 3605 11233 3605 11235 3606 11235 3612 11231 3614 11226 3613 11224 3618 11216 3611 11210 3610 11211 3610 11207 FLASH FLOOD...OBSERVED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ McCollum  007 WWUS53 KUNR 292321 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 521 PM MDT Sat Aug 29 2026 SDC047-292331- /O.CAN.KUNR.SV.W.0344.000000T0000Z-260829T2345Z/ Fall River SD- 521 PM MDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHEASTERN FALL RIVER COUNTY... The storms which prompted the warning have moved out of the area. Therefore, the warning has been cancelled. However, gusty winds are still possible with these thunderstorms. && LAT...LON 4300 10300 4340 10300 4346 10279 4322 10256 4300 10248 TIME...MOT...LOC 2305Z 244DEG 48KT 4344 10313 4310 10284 4266 10274 $$ SDC102-292345- /O.CON.KUNR.SV.W.0344.000000T0000Z-260829T2345Z/ Oglala Lakota SD- 521 PM MDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR SOUTHWESTERN OGLALA LAKOTA COUNTY... At 521 PM MDT, severe thunderstorms were located along a line from over Red Shirt Table Overlook to 18 miles south of Wolf Creek Housing, or along a line from 32 miles east of Hot Springs to 19 miles south of Pine Ridge, moving northeast at 55 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Pine Ridge, Oglala, Loneman, South Lakeside, Dry Wood Housing, Number 4, Prairie Winds Casino, Calico, Slim Buttes Housing, Slim Butte and southwestern Pine Ridge Reservation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. && LAT...LON 4300 10300 4340 10300 4346 10279 4322 10256 4300 10248 TIME...MOT...LOC 2305Z 244DEG 48KT 4344 10313 4310 10284 4266 10274 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson  293 WUUS55 KTWC 292322 SVRTWC AZC019-300000- /O.NEW.KTWC.SV.W.0237.260829T2322Z-260830T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tucson AZ 422 PM MST Sat Aug 29 2026 The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Central Pima County in southeastern Arizona... * Until 500 PM MST. * At 422 PM MST, a severe thunderstorm was located near Kitt Peak, moving northeast at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Kitt Peak, San Pedro and Pan Tak. This includes Route 86 between mile markers 133 and 145. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Wind damage with this storm will occur before any rain or lightning. Do not wait for the sound of thunder before taking cover. Seek shelter immediately inside a sturdy structure and stay away from windows. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3192 11146 3195 11163 3215 11158 3211 11138 TIME...MOT...LOC 2321Z 206DEG 3KT 3200 11152 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ GLZ  850 WWUS55 KSLC 292322 SVSSLC Severe Weather Statement National Weather Service Salt Lake City UT 522 PM MDT Sat Aug 29 2026 UTC023-027-292332- /O.EXP.KSLC.SV.W.0100.000000T0000Z-260829T2330Z/ Millard UT-Juab UT- 522 PM MDT Sat Aug 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MILLARD AND SOUTHEASTERN JUAB COUNTIES WILL EXPIRE AT 530 PM MDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However small hail and gusty winds are still possible with this thunderstorm. LAT...LON 3944 11240 3964 11243 3983 11188 3949 11177 TIME...MOT...LOC 2322Z 255DEG 33KT 3961 11195 $$ JCW  082 WUUS55 KSLC 292323 SVRSLC UTC025-037-300000- /O.NEW.KSLC.SV.W.0102.260829T2323Z-260830T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Salt Lake City UT 523 PM MDT Sat Aug 29 2026 The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... South central San Juan County in southeastern Utah... Southeastern Kane County in southern Utah... * Until 600 PM MDT. * At 523 PM MDT, a severe thunderstorm was located 9 miles north of Lake Powell, or 44 miles southeast of Escalante, moving east at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Lake Powell and Dangling Rope Marina. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Large hail and damaging winds and continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3735 11140 3747 11077 3713 11079 3709 11137 TIME...MOT...LOC 2323Z 259DEG 30KT 3720 11123 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ STW  497 WWUS55 KSLC 292325 SVSSLC Severe Weather Statement National Weather Service Salt Lake City UT 525 PM MDT Sat Aug 29 2026 UTC025-037-292333- /O.EXP.KSLC.SV.W.0101.000000T0000Z-260829T2330Z/ San Juan UT-Kane UT- 525 PM MDT Sat Aug 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SAN JUAN AND EASTERN KANE COUNTIES WILL EXPIRE AT 530 PM MDT... The storm which prompted the warning has moved out of the initial warning area. Therefore, the warning will be allowed to expire. Remember, a Severe Thunderstorm Warning still remains in effect for portions of eastern Kane County and southwestern San Juan County. LAT...LON 3704 11159 3725 11160 3736 11150 3753 11107 3700 11106 TIME...MOT...LOC 2323Z 255DEG 26KT 3719 11127 $$ STW  002 WWUS53 KUNR 292325 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 525 PM MDT Sat Aug 29 2026 SDC007-071-102-300015- /O.CON.KUNR.SV.W.0345.000000T0000Z-260830T0015Z/ Bennett SD-Jackson SD-Oglala Lakota SD- 525 PM MDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT FOR WESTERN BENNETT, SOUTHWESTERN JACKSON AND OGLALA LAKOTA COUNTIES... At 525 PM MDT, severe thunderstorms were located along a line from 5 miles east of Red Shirt Table Overlook to 17 miles south of Wolf Creek Housing, or along a line from 36 miles east of Hot Springs to 19 miles southeast of Pine Ridge, moving northeast at 55 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Automated observations. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Pine Ridge, Martin, Oglala, Porcupine, Kyle, Potato Creek, Manderson, Allen, Wounded Knee, Batesland, Evergreen, Porcupine Butte Housing, Kyle North Route Housing, Sharps Corner, Thunder Valley, Wakpamni, Goose Neck Housing, Swett, Lonesome Valley and Rockyford. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms have produced damaging winds. && LAT...LON 4300 10278 4312 10281 4341 10300 4359 10233 4365 10181 4347 10167 4300 10156 TIME...MOT...LOC 2320Z 244DEG 48KT 4353 10287 4319 10258 4275 10249 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Helgeson  229 WGUS55 KTWC 292326 FFWTWC AZC019-300230- /O.NEW.KTWC.FF.W.0163.260829T2326Z-260830T0230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tucson AZ 426 PM MST Sat Aug 29 2026 The National Weather Service in Tucson has issued a * Flash Flood Warning for... Central Pima County in southeastern Arizona... * Until 730 PM MST. * At 426 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Kitt Peak and Pan Tak. This includes Route 86 between mile markers 132 and 149. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3205 11154 3202 11163 3194 11162 3197 11149 3199 11142 3201 11137 3209 11132 3205 11152 FLASH FLOOD...RADAR INDICATED $$ JRM  065 WWUS52 KJAX 292329 SVSJAX Severe Weather Statement National Weather Service Jacksonville FL 729 PM EDT Sat Aug 29 2026 FLC125-292339- /O.CAN.KJAX.SV.W.0249.000000T0000Z-260829T2345Z/ Union FL- 729 PM EDT Sat Aug 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL UNION COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 3019 8265 3007 8252 3006 8253 2995 8265 3004 8279 TIME...MOT...LOC 2329Z 125DEG 6KT 3003 8264 $$ FLC023-292345- /O.CON.KJAX.SV.W.0249.000000T0000Z-260829T2345Z/ Columbia FL- 729 PM EDT Sat Aug 29 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR SOUTHERN COLUMBIA COUNTY... At 729 PM EDT, a severe thunderstorm was located near Columbia, or 9 miles northeast of Ichetucknee Spring, moving northwest at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Lake City and Columbia. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3019 8265 3007 8252 3006 8253 2995 8265 3004 8279 TIME...MOT...LOC 2329Z 125DEG 6KT 3003 8264 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ CHANEY  421 WUUS53 KABR 292330 SVRABR SDC045-107-129-300030- /O.NEW.KABR.SV.W.0241.260829T2330Z-260830T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Aberdeen SD 630 PM CDT Sat Aug 29 2026 The National Weather Service in Aberdeen has issued a * Severe Thunderstorm Warning for... Southwestern Edmunds County in north central South Dakota... Northeastern Potter County in north central South Dakota... Southeastern Walworth County in north central South Dakota... * Until 730 PM CDT. * At 630 PM CDT, a severe thunderstorm was located 7 miles southeast of Lowry, or 7 miles west of Hoven, moving east at 15 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Hoven around 655 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4517 10006 4531 10000 4531 9958 4505 9967 TIME...MOT...LOC 2330Z 281DEG 12KT 4523 9992 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 10  553 WGUS75 KTWC 292337 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 437 PM MST Sat Aug 29 2026 AZC019-023-300030- /O.CON.KTWC.FF.W.0159.000000T0000Z-260830T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima AZ-Santa Cruz AZ- 437 PM MST Sat Aug 29 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MST THIS AFTERNOON FOR SOUTHEASTERN PIMA AND NORTHEASTERN SANTA CRUZ COUNTIES... At 437 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Sonoita and Elgin. This includes the following highways... Route 82 between mile markers 24 and 27...and between mile markers 30 and 40. Route 83 between mile markers 22 and 34. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3172 11065 3172 11060 3178 11059 3176 11053 3172 11053 3167 11052 3164 11053 3162 11055 3157 11058 3158 11063 3161 11063 3160 11066 3159 11073 3165 11071 3169 11066 FLASH FLOOD...RADAR INDICATED $$ JRM  308 WWUS52 KJAX 292337 SVSJAX Severe Weather Statement National Weather Service Jacksonville FL 737 PM EDT Sat Aug 29 2026 FLC023-292347- /O.EXP.KJAX.SV.W.0249.000000T0000Z-260829T2345Z/ Columbia FL- 737 PM EDT Sat Aug 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN COLUMBIA COUNTY WILL EXPIRE AT 745 PM EDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds and heavy rain are still possible with this thunderstorm. && LAT...LON 3019 8265 3007 8252 3006 8253 2995 8265 3004 8279 TIME...MOT...LOC 2337Z 125DEG 6KT 3003 8265 $$ CHANEY  982 WWUS53 KUNR 292337 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 537 PM MDT Sat Aug 29 2026 SDC102-292347- /O.EXP.KUNR.SV.W.0344.000000T0000Z-260829T2345Z/ Oglala Lakota SD- 537 PM MDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 545 PM MDT FOR SOUTHWESTERN OGLALA LAKOTA COUNTY... The Severe Thunderstorm Warning that was previously in effect has been reissued for Oglala Lakota County and is in effect until 615 PM MDT. Please refer to that bulletin for the latest severe weather information. However, gusty winds are still possible with these thunderstorms. && LAT...LON 4300 10300 4340 10300 4346 10279 4322 10256 4300 10248 TIME...MOT...LOC 2321Z 244DEG 48KT 4354 10285 4320 10256 4275 10247 $$ Helgeson  385 WWUS55 KSLC 292337 SVSSLC Severe Weather Statement National Weather Service Salt Lake City UT 537 PM MDT Sat Aug 29 2026 UTC025-037-300000- /O.CON.KSLC.SV.W.0102.000000T0000Z-260830T0000Z/ San Juan UT-Kane UT- 537 PM MDT Sat Aug 29 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR SOUTH CENTRAL SAN JUAN AND EAST CENTRAL KANE COUNTIES... At 537 PM MDT, a severe thunderstorm was located 16 miles northeast of Lake Powell, or 44 miles southeast of Escalante, moving east at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Lake Powell. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3736 11124 3747 11077 3718 11079 3714 11124 TIME...MOT...LOC 2337Z 248DEG 32KT 3727 11108 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ STW  955 WGUS75 KTWC 292338 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 438 PM MST Sat Aug 29 2026 AZC019-300100- /O.CON.KTWC.FF.W.0160.000000T0000Z-260830T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima AZ- 438 PM MST Sat Aug 29 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING FOR EAST CENTRAL PIMA COUNTY... At 438 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 0.2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Green Valley. This includes Interstate 19 between mile markers 36 and 41. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3182 11105 3186 11115 3188 11117 3191 11117 3189 11105 3190 11101 3187 11097 3185 11097 3183 11099 3182 11099 3179 11101 FLASH FLOOD...RADAR INDICATED $$ JRM  390 WWUS53 KUNR 292338 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 538 PM MDT Sat Aug 29 2026 SDC007-071-102-300015- /O.CON.KUNR.SV.W.0345.000000T0000Z-260830T0015Z/ Bennett SD-Jackson SD-Oglala Lakota SD- 538 PM MDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT FOR WESTERN BENNETT, SOUTHWESTERN JACKSON AND OGLALA LAKOTA COUNTIES... At 538 PM MDT, severe thunderstorms were located along a line from 5 miles south of Sheep Mountain Table to 13 miles south of Wakpamni, or along a line from 42 miles north of Pine Ridge to 22 miles southeast of Pine Ridge, moving northeast at 55 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Pine Ridge, Martin, Porcupine, Kyle, Potato Creek, Manderson, Allen, Wounded Knee, Batesland, Kyle North Route Housing, Swett, Evergreen, Porcupine Butte Housing, Wakpamni, Sharps Corner, Thunder Valley, Goose Neck Housing, Rockyford, Lonesome Valley and Hisle. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. && LAT...LON 4300 10254 4322 10260 4345 10284 4359 10233 4365 10181 4347 10167 4300 10156 TIME...MOT...LOC 2325Z 244DEG 48KT 4356 10278 4322 10249 4278 10240 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson  558 FZUS72 KKEY 292339 MWSKEY Marine Weather Statement National Weather Service Key West FL 739 PM EDT Sat Aug 29 2026 GMZ033-292349- /O.EXP.KKEY.MA.W.0220.000000T0000Z-260829T2345Z/ 739 PM EDT Sat Aug 29 2026 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 745 PM EDT... The affected areas were... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... The thunderstorm has weakened and no longer poses a significant threat to boaters. && LAT...LON 2545 8201 2527 8201 2524 8243 2551 8242 TIME...MOT...LOC 2339Z 092DEG 12KT 2537 8231 $$ 11  849 WGUS75 KTWC 292339 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 439 PM MST Sat Aug 29 2026 AZC019-300145- /O.CON.KTWC.FF.W.0162.000000T0000Z-260830T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima AZ- 439 PM MST Sat Aug 29 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MST THIS EVENING FOR EASTERN PIMA COUNTY... At 439 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.8 and 1.7 inches of rain have fallen. Additional rainfall amounts up to 0.1 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... South Tucson. This includes the following highways... Interstate 19 between mile markers 61 and 63. Route 86 near mile marker 171. Interstate 10 between mile markers 260 and 265. This includes the following streams and drainages... West Branch Santa Cruz River, Chico, Arroyo and Santa Cruz River. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3219 11092 3221 11094 3221 11099 3216 11100 3215 11097 3215 11091 3217 11089 3219 11090 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ JRM  021 WUUS55 KTFX 292342 SVRTFX MTC005-041-300100- /O.NEW.KTFX.SV.W.0105.260829T2342Z-260830T0100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Great Falls MT 542 PM MDT Sat Aug 29 2026 The National Weather Service in Great Falls has issued a * Severe Thunderstorm Warning for... Northwestern Blaine County in north central Montana... Northeastern Hill County in north central Montana... * Until 700 PM MDT. * At 542 PM MDT, severe thunderstorms were located along a line extending from near Havre to near Chinook, moving northeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...59 mph wind gust in Havre. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Havre, Chinook, Beaver Creek, Lohman, Zurich, and Hogeland. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4840 10896 4851 10991 4900 10974 4899 10847 TIME...MOT...LOC 2342Z 203DEG 25KT 4859 10960 4855 10918 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Brusda  875 WWUS53 KUNR 292344 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 544 PM MDT Sat Aug 29 2026 SDC007-071-102-300015- /O.CON.KUNR.SV.W.0345.000000T0000Z-260830T0015Z/ Bennett SD-Jackson SD-Oglala Lakota SD- 544 PM MDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT FOR WESTERN BENNETT, SOUTHWESTERN JACKSON AND EASTERN OGLALA LAKOTA COUNTIES... At 544 PM MDT, severe thunderstorms were located along a line from near Badlands National Park to 14 miles south of Wakpamni, or along a line from 42 miles north of Pine Ridge to 28 miles southwest of Martin, moving east at 60 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Martin, Porcupine, Kyle, Potato Creek, Allen, Wounded Knee, Batesland, Swett, Kyle North Route Housing, Wakpamni, Porcupine Butte Housing, Hisle, Evergreen, LaCreek North Housing, Sharps Corner, Sunrise Housing, Thunder Valley, Goose Neck Housing, Rockyford and Lonesome Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. && LAT...LON 4300 10236 4326 10242 4351 10261 4359 10233 4365 10181 4347 10167 4300 10156 TIME...MOT...LOC 2338Z 250DEG 49KT 4360 10254 4326 10225 4281 10216 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson  551 WWUS53 KABR 292348 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 648 PM CDT Sat Aug 29 2026 SDC045-107-129-300030- /O.CON.KABR.SV.W.0241.000000T0000Z-260830T0030Z/ Edmunds SD-Potter SD-Walworth SD- 648 PM CDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR SOUTHWESTERN EDMUNDS, NORTHEASTERN POTTER AND SOUTHEASTERN WALWORTH COUNTIES... At 648 PM CDT, a severe thunderstorm was located over Hoven, moving east at 15 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will be near... Hoven around 655 PM CDT. Tolstoy around 725 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4519 10002 4531 9996 4531 9958 4505 9967 TIME...MOT...LOC 2330Z 281DEG 12KT 4523 9991 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 10  778 WUUS55 KTWC 292351 SVRTWC AZC019-021-300030- /O.NEW.KTWC.SV.W.0238.260829T2351Z-260830T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tucson AZ 451 PM MST Sat Aug 29 2026 The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... North Central Pima County in southeastern Arizona... South Central Pinal County in southeastern Arizona... * Until 530 PM MST. * At 451 PM MST, a severe thunderstorm was located near Avra Valley, moving northeast at 10 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Marana, Avra Valley, Pinal Airpark, Picacho Peak State Park and Red Rock. This includes Interstate 10 between mile markers 219 and 236. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds. Wind damage with this storm will occur before any rain or lightning. Do not wait for the sound of thunder before taking cover. Seek shelter immediately inside a sturdy structure and stay away from windows. && LAT...LON 3250 11149 3272 11137 3256 11113 3235 11131 3242 11153 TIME...MOT...LOC 2351Z 215DEG 8KT 3247 11136 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ GLZ  338 WGUS55 KSLC 292352 FFWSLC UTC025-037-300245- /O.NEW.KSLC.FF.W.0093.260829T2352Z-260830T0245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Salt Lake City UT 552 PM MDT Sat Aug 29 2026 The National Weather Service in Salt Lake City has issued a * Flash Flood Warning for... Southwestern San Juan County in southeastern Utah... Eastern Kane County in southern Utah... * Until 845 PM MDT. * At 552 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across Dry Rock Creek and lower portions of Hole in the Rock Road down to Lake Powell, including Headless Hen Canyon, Coyote Gulch, Forty Mile Gulch, Fifty Mile Gulch, and Davis Gulch. Up to 0.75 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks, streams, slot canyons, and normally dry washes. * Some locations that will experience flash flooding include... Dry Rock Creek and lower portions of Hole in the Rock Road down to Lake Powell, including Headless Hen Canyon, Coyote Gulch, Forty Mile Gulch, Fifty Mile Gulch, and Davis Gulch. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Remain alert for flooding even in locations not receiving rain. Dry washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3739 11127 3748 11115 3745 11061 3745 11062 3739 11062 3739 11069 3730 11069 3730 11064 3726 11064 3708 11120 3718 11121 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ JAC  477 WWUS55 KSLC 292353 SVSSLC Severe Weather Statement National Weather Service Salt Lake City UT 553 PM MDT Sat Aug 29 2026 UTC025-037-300002- /O.EXP.KSLC.SV.W.0102.000000T0000Z-260830T0000Z/ San Juan UT-Kane UT- 553 PM MDT Sat Aug 29 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SAN JUAN AND EAST CENTRAL KANE COUNTIES WILL EXPIRE AT 600 PM MDT... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire. However small hail and gusty winds are still possible with this thunderstorm. LAT...LON 3736 11124 3747 11077 3718 11079 3714 11124 TIME...MOT...LOC 2352Z 256DEG 29KT 3731 11094 $$ STW  773 WWUS55 KTWC 292353 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 453 PM MST Sat Aug 29 2026 AZC019-300003- /O.CAN.KTWC.SV.W.0237.000000T0000Z-260830T0000Z/ Pima AZ- 453 PM MST Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR CENTRAL PIMA COUNTY... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning has been cancelled. However, gusty winds are still possible with this thunderstorm. && LAT...LON 3192 11146 3195 11163 3215 11158 3211 11138 TIME...MOT...LOC 2322Z 206DEG 3KT 3201 11152 $$ GLZ  427 WUUS53 KABR 292354 SVRABR SDC041-300100- /O.NEW.KABR.SV.W.0242.260829T2354Z-260830T0100Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Aberdeen SD 654 PM CDT Sat Aug 29 2026 The National Weather Service in Aberdeen has issued a * Severe Thunderstorm Warning for... Northeastern Dewey County in north central South Dakota... * Until 700 PM MDT. * At 554 PM MDT, a severe thunderstorm was located near Laplant, or 25 miles southeast of Timber Lake, moving east at 10 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * This severe thunderstorm will be near... Laplant around 605 PM MDT. Tiospaye Topa School around 610 PM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds. && LAT...LON 4515 10077 4528 10075 4534 10043 4501 10052 TIME...MOT...LOC 2354Z 280DEG 8KT 4520 10069 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ 10  596 WWUS53 KUNR 292354 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 554 PM MDT Sat Aug 29 2026 SDC007-071-102-300015- /O.CON.KUNR.SV.W.0345.000000T0000Z-260830T0015Z/ Bennett SD-Jackson SD-Oglala Lakota SD- 554 PM MDT Sat Aug 29 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT FOR WESTERN BENNETT, SOUTHWESTERN JACKSON AND EASTERN OGLALA LAKOTA COUNTIES... At 554 PM MDT, severe thunderstorms were located along a line from 13 miles south of Pinnacles Ranger Station to 20 miles south of Swett, or along a line from 38 miles west of Kadoka to 21 miles south of Martin, moving east at 60 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Martin, Kyle, Potato Creek, Allen, Batesland, Swett, Hisle, LaCreek North Housing, Sunrise Housing, Kyle North Route Housing, Wakpamni, Yellow Bear Canyon, Snake Butte, southwestern Lacreek Wildlife Refuge and Pine Ridge Reservation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. && LAT...LON 4300 10217 4328 10221 4353 10231 4359 10233 4365 10181 4347 10167 4300 10156 TIME...MOT...LOC 2344Z 250DEG 49KT 4363 10242 4329 10214 4284 10205 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson