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 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 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 $$ McCollum 553 WGUS75 KTWC 292337 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 437 PM MST Sat Aug 29 2026 AZC019-023-300030- /O.CON.KTWC.FF.W.0159.000000T0000Z-260830T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima AZ-Santa Cruz AZ- 437 PM MST Sat Aug 29 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MST THIS AFTERNOON FOR SOUTHEASTERN PIMA AND NORTHEASTERN SANTA CRUZ COUNTIES... At 437 PM MST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Sonoita and Elgin. This includes the following highways... Route 82 between mile markers 24 and 27...and between mile markers 30 and 40. Route 83 between mile markers 22 and 34. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3172 11065 3172 11060 3178 11059 3176 11053 3172 11053 3167 11052 3164 11053 3162 11055 3157 11058 3158 11063 3161 11063 3160 11066 3159 11073 3165 11071 3169 11066 FLASH FLOOD...RADAR INDICATED $$ JRM 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 $$ JRM 849 WGUS75 KTWC 292339 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 439 PM MST Sat Aug 29 2026 AZC019-300145- /O.CON.KTWC.FF.W.0162.000000T0000Z-260830T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima AZ- 439 PM MST Sat Aug 29 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM MST THIS EVENING FOR EASTERN PIMA COUNTY... At 439 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 0.8 and 1.7 inches of rain have fallen. Additional rainfall amounts up to 0.1 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... South Tucson. This includes the following highways... Interstate 19 between mile markers 61 and 63. Route 86 near mile marker 171. Interstate 10 between mile markers 260 and 265. This includes the following streams and drainages... West Branch Santa Cruz River, Chico, Arroyo and Santa Cruz River. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall. && LAT...LON 3219 11092 3221 11094 3221 11099 3216 11100 3215 11097 3215 11091 3217 11089 3219 11090 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ JRM