015 WUUS53 KABR 120400 SVRABR SDC075-117-120500- /O.NEW.KABR.SV.W.0206.260812T0400Z-260812T0500Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Aberdeen SD 1100 PM CDT Tue Aug 11 2026 The National Weather Service in Aberdeen has issued a * Severe Thunderstorm Warning for... Jones County in central South Dakota... Southwestern Stanley County in central South Dakota... * Until midnight CDT /1100 PM MDT/. * At 1100 PM CDT /1000 PM MDT/, a severe thunderstorm was located 5 miles southwest of Capa, or 21 miles northwest of Murdo, moving southeast at 30 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * This severe thunderstorm will be near... Capa around 1105 PM CDT. Okaton around 1125 PM CDT. Murdo around 1140 PM CDT. 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 widespread damaging winds and large hail. Report severe weather to your nearest law enforcement agency or the National Weather Service office in Aberdeen SD. && LAT...LON 4429 10117 4406 10037 4374 10052 4377 10059 4375 10066 4371 10068 4372 10074 4371 10073 4371 10074 4374 10075 4373 10079 4376 10081 4376 10084 4383 10093 4381 10096 4382 10095 4385 10099 4384 10106 4417 10105 4417 10117 TIME...MOT...LOC 0359Z 294DEG 27KT 4406 10106 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ TMT  805 WWUS53 KBIS 120401 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1101 PM CDT Tue Aug 11 2026 NDC029-047-120430- /O.CON.KBIS.SV.W.0276.000000T0000Z-260812T0430Z/ Emmons ND-Logan ND- 1101 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR NORTHEASTERN EMMONS AND WESTERN LOGAN COUNTIES... At 1101 PM CDT, a severe thunderstorm was located 9 miles northeast of Braddock, or 30 miles northeast of Linton, moving northeast at 20 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Braddock. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. && LAT...LON 4656 10019 4663 10021 4663 9991 4655 9991 TIME...MOT...LOC 0342Z 246DEG 19KT 4661 10010 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Adam  863 WWUS55 KTWC 120401 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 901 PM MST Tue Aug 11 2026 AZC003-120411- /O.EXP.KTWC.SV.W.0183.000000T0000Z-260812T0400Z/ Cochise AZ- 901 PM MST Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR SOUTHWESTERN COCHISE 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 allowed to expire. However, gusty winds and heavy rain are still possible with this thunderstorm. && LAT...LON 3154 10991 3133 10999 3133 11007 3141 11045 3174 11017 TIME...MOT...LOC 0335Z 113DEG 9KT 3147 11016 $$ KJS  672 WWUS53 KUNR 120404 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1004 PM MDT Tue Aug 11 2026 SDC102-103-120414- /O.CAN.KUNR.SV.W.0273.000000T0000Z-260812T0500Z/ Oglala Lakota SD-Pennington SD- 1004 PM MDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHEASTERN OGLALA LAKOTA AND SOUTHEASTERN PENNINGTON COUNTIES... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. && LAT...LON 4359 10213 4369 10204 4369 10203 4370 10204 4371 10203 4371 10202 4372 10202 4373 10201 4332 10157 4326 10185 TIME...MOT...LOC 0353Z 312DEG 26KT 4362 10207 $$ SDC007-071-120500- /O.CON.KUNR.SV.W.0273.000000T0000Z-260812T0500Z/ Bennett SD-Jackson SD- 1004 PM MDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 11 PM MDT FOR NORTH CENTRAL BENNETT AND SOUTHWESTERN JACKSON COUNTIES... At 1004 PM MDT, a severe thunderstorm was located over Potato Creek, or 30 miles southwest of Kadoka, moving southeast at 30 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. Locations impacted include... Potato Creek, Hisle and Snake Butte. 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 4359 10213 4369 10204 4369 10203 4370 10204 4371 10203 4371 10202 4372 10202 4373 10201 4332 10157 4326 10185 TIME...MOT...LOC 0353Z 312DEG 26KT 4362 10207 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ SE  021 WWUS53 KABR 120405 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 1105 PM CDT Tue Aug 11 2026 SDC031-120430- /O.CON.KABR.SV.W.0205.000000T0000Z-260812T0430Z/ Corson SD- 1005 PM MDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM MDT FOR SOUTHWESTERN CORSON COUNTY... At 1005 PM MDT, a severe thunderstorm was located 9 miles west of Shambo Ranch, or 44 miles northwest of Lantry, moving southeast at 20 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of Southwestern Corson County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds. Report severe weather to your nearest law enforcement agency or the National Weather Service office in Aberdeen SD. && LAT...LON 4564 10200 4548 10168 4547 10169 4547 10200 TIME...MOT...LOC 0348Z 318DEG 17KT 4556 10209 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...2.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ TMT  071 WWUS53 KUNR 120405 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1005 PM MDT Tue Aug 11 2026 SDC105-137-120445- /O.CON.KUNR.SV.W.0271.000000T0000Z-260812T0445Z/ Perkins SD-Ziebach SD- 1005 PM MDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM MDT FOR EAST CENTRAL PERKINS AND NORTHWESTERN ZIEBACH COUNTIES... At 1005 PM MDT, a severe thunderstorm was located 13 miles northwest of Glad Valley, or 30 miles south of Lemmon, moving southeast at 20 mph. HAZARD...Two inch hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles. Locations impacted include... Glad Valley. 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. && LAT...LON 4548 10216 4565 10200 4547 10200 4547 10169 4529 10192 TIME...MOT...LOC 0344Z 308DEG 19KT 4559 10210 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...2.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ SE  188 WUUS53 KBIS 120408 SVRBIS NDC015-120515- /O.NEW.KBIS.SV.W.0278.260812T0408Z-260812T0515Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND 1108 PM CDT Tue Aug 11 2026 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Burleigh County in south central North Dakota... * Until 1215 AM CDT. * At 1108 PM CDT, a severe thunderstorm was located 12 miles north of Menoken, or 14 miles northeast of Bismarck, moving northeast at 30 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Wing, Sterling, Regan, Driscoll, Mckenzie, Baldwin and Arena. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. && LAT...LON 4677 10039 4697 10082 4727 10049 4722 10011 4698 10011 4698 10008 4683 10008 TIME...MOT...LOC 0408Z 234DEG 23KT 4698 10062 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Adam  785 WGUS75 KTWC 120414 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 914 PM MST Tue Aug 11 2026 AZC003-120615- /O.CON.KTWC.FF.W.0128.000000T0000Z-260812T0615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cochise AZ- 914 PM MST Tue Aug 11 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM MST THIS EVENING FOR SOUTH CENTRAL COCHISE COUNTY... At 914 PM MST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. 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... Bisbee and Naco. This includes the following highways... Route 90 between mile markers 334 and 336. Route 80 between mile markers 328 and 347. Route 92 between mile markers 343 and 355. This includes the following Flash Flood Prone Locations... Davis Rd between HWY 80 & HWY 191. This includes the following streams and drainages... Spring Creek, Gadwell Canyon, San Pedro River and Whitewater Draw. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3133 11009 3147 11008 3156 11006 3167 10997 3166 10986 3148 10984 3133 10980 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ AWH  305 WWUS53 KBIS 120414 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1114 PM CDT Tue Aug 11 2026 NDC015-120424- /O.CAN.KBIS.SV.W.0277.000000T0000Z-260812T0445Z/ Burleigh ND- 1114 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHEASTERN BURLEIGH COUNTY... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. A Severe Thunderstorm Warning still remains in effect for northern Burleigh County A Severe Thunderstorm Watch remains in effect until 100 AM CDT for a portion of south central North Dakota. && LAT...LON 4663 9998 4678 10003 4687 9978 4673 9964 4654 9962 4655 9992 4663 9992 TIME...MOT...LOC 0348Z 247DEG 18KT 4663 10009 $$ NDC043-047-120445- /O.CON.KBIS.SV.W.0277.000000T0000Z-260812T0445Z/ Kidder ND-Logan ND- 1114 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR SOUTHWESTERN KIDDER AND NORTHWESTERN LOGAN COUNTIES... At 1114 PM CDT, a severe thunderstorm was located 11 miles southwest of Lake Isabel, or 34 miles northeast of Linton, moving east at 20 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Lake Isabel. 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. && LAT...LON 4663 9998 4678 10003 4687 9978 4673 9964 4654 9962 4655 9992 4663 9992 TIME...MOT...LOC 0348Z 247DEG 18KT 4663 10003 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Adam  477 WWUS53 KBIS 120415 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1115 PM CDT Tue Aug 11 2026 NDC015-029-059-120425- /O.EXP.KBIS.SV.W.0275.000000T0000Z-260812T0415Z/ Burleigh ND-Emmons ND-Morton ND- 1115 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR SOUTHWESTERN BURLEIGH, NORTHWESTERN EMMONS AND NORTHEASTERN MORTON COUNTIES... The storm which prompted the warning has moved out of the area. Therefore, the warning has been allowed to expire. A Severe Thunderstorm Warning still remains in effect for northern Burleigh County. A Severe Thunderstorm Watch remains in effect until 100 AM CDT for a portion of south central North Dakota. && LAT...LON 4652 10111 4689 10125 4701 10057 4678 10039 4654 10031 TIME...MOT...LOC 0340Z 252DEG 17KT 4676 10084 $$ Adam  177 WWUS53 KBIS 120417 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1117 PM CDT Tue Aug 11 2026 NDC029-047-120427- /O.CAN.KBIS.SV.W.0276.000000T0000Z-260812T0430Z/ Emmons ND-Logan ND- 1117 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHEASTERN EMMONS AND WESTERN LOGAN COUNTIES... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. A Severe Thunderstorm Warning still remains in effect for northern Logan County. A Severe Thunderstorm Watch remains in effect until 100 AM CDT for portions of south central and southeast North Dakota. && LAT...LON 4656 10019 4663 10021 4663 9991 4655 9991 TIME...MOT...LOC 0401Z 246DEG 19KT 4666 9996 $$ Adam  701 WWUS53 KUNR 120418 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1018 PM MDT Tue Aug 11 2026 SDC007-071-095-120445- /O.CON.KUNR.SV.W.0270.000000T0000Z-260812T0445Z/ Bennett SD-Jackson SD-Mellette SD- 1018 PM MDT Tue Aug 11 2026 /1118 PM CDT Tue Aug 11 2026/ ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM MDT /1145 PM CDT/ FOR WEST CENTRAL MELLETTE, NORTH CENTRAL BENNETT AND SOUTHERN JACKSON COUNTIES... At 1018 PM MDT /1118 PM CDT/, a severe thunderstorm was located near Long Valley, or 22 miles south of Kadoka, moving southeast at 35 mph. HAZARD...70 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will remain over mainly rural areas of West Central Mellette, North Central Bennett and Southern Jackson Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing widespread damaging winds and large hail. Continuous cloud to ground lightning is occurring with this storm. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4364 10197 4383 10143 4363 10109 4331 10168 TIME...MOT...LOC 0338Z 311DEG 29KT 4373 10183 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ SE  894 WWUS53 KGRB 120418 SVSGRB Severe Weather Statement National Weather Service Green Bay WI 1118 PM CDT Tue Aug 11 2026 WIC073-120445- /O.CON.KGRB.SV.W.0128.000000T0000Z-260812T0445Z/ Marathon WI- 1118 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT FOR SOUTHWESTERN MARATHON COUNTY... At 1118 PM CDT, a severe thunderstorm was located 13 miles north of Marshfield, or 23 miles west of Wausau, moving southeast at 10 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Other locations impacted by the severe thunderstorm include March Rapids, Fenwood, Stratford and Rozellville. 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 4484 9028 4493 8994 4479 8981 4469 9022 4469 9024 TIME...MOT...LOC 0356Z 333DEG 10KT 4489 9012 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JLA  183 WWUS53 KUNR 120419 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1019 PM MDT Tue Aug 11 2026 SDC055-071-095-120445- /O.CON.KUNR.SV.W.0272.000000T0000Z-260812T0445Z/ Haakon SD-Jackson SD-Mellette SD- 1019 PM MDT Tue Aug 11 2026 /1119 PM CDT Tue Aug 11 2026/ ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM MDT /1145 PM CDT/ FOR NORTHWESTERN MELLETTE, NORTHEASTERN JACKSON AND SOUTHEASTERN HAAKON COUNTIES... At 1019 PM MDT /1119 PM CDT/, severe thunderstorms were located along a line from 9 miles east of Midland to 9 miles south of Belvidere, or along a line from 31 miles northeast of Kadoka to 14 miles southeast of Kadoka, moving southeast at 30 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Kadoka, Midland and Belvidere. This includes Interstate 90 in South Dakota between Mile Markers 152 and 174. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. These storms are capable of producing widespread damaging winds and large hail. Continuous cloud to ground lightning is occurring with these storms. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. && LAT...LON 4381 10154 4417 10117 4417 10105 4400 10105 4399 10106 4384 10106 4385 10105 4385 10104 4386 10103 4384 10103 4385 10099 4383 10098 4383 10096 4382 10097 4382 10096 4381 10096 4383 10094 4382 10092 4361 10111 TIME...MOT...LOC 0349Z 303DEG 25KT 4420 10123 4398 10140 4382 10154 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ SE  638 WGUS54 KMRX 120420 FFWMRX TNC007-011-065-107-121-123-139-143-120715- /O.NEW.KMRX.FF.W.0065.260812T0420Z-260812T0715Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Morristown TN 1220 AM EDT Wed Aug 12 2026 The National Weather Service in Morristown has issued a * Flash Flood Warning for... Bledsoe County in east Tennessee... Bradley County in east Tennessee... Northeastern Hamilton County in east Tennessee... McMinn County in east Tennessee... Meigs County in east Tennessee... Southwestern Monroe County in east Tennessee... Northern Polk County in east Tennessee... Rhea County in east Tennessee... * Until 315 AM EDT /215 AM CDT/. * At 1220 AM EDT /1120 PM CDT/, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 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... Cleveland, Athens, Dayton, Pikeville, Decatur, Benton, Etowah, Spring City and Charleston. This includes Interstate 75 in Tennessee between mile markers 19 and 56. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3557 8539 3565 8528 3570 8517 3571 8498 3570 8486 3566 8470 3562 8461 3534 8437 3525 8435 3515 8447 3508 8469 3507 8484 3516 8502 3536 8515 3549 8533 FLASH FLOOD...RADAR INDICATED $$ 52  595 WWUS53 KBIS 120422 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1122 PM CDT Tue Aug 11 2026 NDC015-120515- /O.CON.KBIS.SV.W.0278.000000T0000Z-260812T0515Z/ Burleigh ND- 1122 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR NORTHEASTERN BURLEIGH COUNTY... At 1122 PM CDT, a severe thunderstorm was located 11 miles south of Regan, or 18 miles northeast of Bismarck, moving northeast at 30 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Wing, Sterling, Regan, Driscoll, Mckenzie, Baldwin and Arena. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds. && LAT...LON 4678 10036 4700 10079 4727 10049 4722 10011 4698 10011 4698 10008 4683 10008 TIME...MOT...LOC 0408Z 235DEG 23KT 4694 10061 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Adam  829 WWUS53 KUNR 120423 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1023 PM MDT Tue Aug 11 2026 SDC007-071-120433- /O.CAN.KUNR.SV.W.0273.000000T0000Z-260812T0500Z/ Bennett SD-Jackson SD- 1023 PM MDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTH CENTRAL BENNETT AND SOUTHWESTERN JACKSON COUNTIES... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. A Severe Thunderstorm Warning still remains in effect for central and eastern Jackson County through 1045/1145 PM CDT. A Severe Thunderstorm Watch remains in effect until 500 AM MDT Wednesday for a portion of southwest South Dakota. && LAT...LON 4359 10213 4369 10204 4369 10203 4370 10204 4371 10203 4371 10202 4372 10202 4373 10201 4332 10157 4326 10185 TIME...MOT...LOC 0404Z 312DEG 26KT 4357 10198 $$ SE  924 WUUS53 KGRB 120426 SVRGRB WIC073-097-141-120530- /O.NEW.KGRB.SV.W.0129.260812T0426Z-260812T0530Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Green Bay WI 1126 PM CDT Tue Aug 11 2026 The National Weather Service in Green Bay has issued a * Severe Thunderstorm Warning for... South Central Marathon County in central Wisconsin... Northwestern Portage County in central Wisconsin... Northeastern Wood County in central Wisconsin... * Until 1230 AM CDT. * At 1126 PM CDT, a severe thunderstorm was located 11 miles northeast of Marshfield, or 22 miles southwest of Wausau, moving southeast at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Other locations impacted by the severe thunderstorm include Rozellville, Halder, Big Eau Pleine County Park, Auburndale, Blenker, Milladore, Sherry and Junction City. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4470 9022 4480 8982 4456 8960 4446 9012 TIME...MOT...LOC 0426Z 330DEG 17KT 4476 8999 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JLA  445 WWUS53 KIND 120427 SVSIND Severe Weather Statement National Weather Service Indianapolis IN 1227 AM EDT Wed Aug 12 2026 INC059-139-145-120436- /O.EXP.KIND.SV.W.0302.000000T0000Z-260812T0430Z/ Shelby IN-Hancock IN-Rush IN- 1227 AM EDT Wed Aug 12 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN SHELBY...SOUTH CENTRAL HANCOCK AND WEST CENTRAL RUSH COUNTIES WILL EXPIRE AT 1230 AM 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, small hail is still possible with this thunderstorm. LAT...LON 3966 8592 3974 8588 3969 8551 3947 8565 TIME...MOT...LOC 0426Z 295DEG 27KT 3959 8557 $$ KF  945 WWUS53 KABR 120428 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 1128 PM CDT Tue Aug 11 2026 SDC031-120438- /O.EXP.KABR.SV.W.0205.000000T0000Z-260812T0430Z/ Corson SD- 1028 PM MDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 1030 PM MDT FOR SOUTHWESTERN CORSON COUNTY... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office. A Severe Thunderstorm Watch remains in effect until 1200 AM MDT for a portion of north central South Dakota. && LAT...LON 4564 10200 4548 10168 4547 10169 4547 10200 TIME...MOT...LOC 0405Z 318DEG 17KT 4550 10201 $$ TMT  306 WUUS53 KUNR 120429 SVRUNR SDC007-071-095-121-123-120530- /O.NEW.KUNR.SV.W.0274.260812T0429Z-260812T0530Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 1029 PM MDT Tue Aug 11 2026 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Mellette County in south central South Dakota... Northwestern Todd County in south central South Dakota... Northwestern Tripp County in south central South Dakota... Northeastern Bennett County in southwestern South Dakota... Southeastern Jackson County in southwestern South Dakota... * Until 1130 PM MDT /1230 AM CDT/. * At 1029 PM MDT /1129 PM CDT/, severe thunderstorms were located along a line from near Intersection of Highway 83 and White River to 7 miles southeast of Long Valley, or along a line from 11 miles north of White River to 23 miles northeast of Martin, moving southeast at 40 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. * Locations impacted include... Mission, White River, Rosebud, Saint Francis, Parmelee, Okreek, Spring Creek, Long Valley, Norris, Wood, Cedar Butte, Mosher, Upper Cut Meat, Horse Creek, Swift Bear, Soldier Creek, Ring Thunder, Fairgrounds Housing, He Dog and Antelope. This includes Interstate 90 in South Dakota between Mile Markers 170 and 174. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. These storms are capable of producing widespread damaging winds and large hail. Continuous cloud to ground lightning is occurring with these storms. 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 4346 10173 4394 10106 4384 10106 4382 10095 4381 10096 4383 10093 4371 10074 4371 10073 4372 10074 4371 10068 4377 10059 4373 10047 4372 10047 4374 10037 4370 10029 4370 10014 4363 9990 4328 10038 4305 10093 TIME...MOT...LOC 0429Z 296DEG 32KT 4373 10079 4353 10100 4341 10140 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ SE  310 WGUS74 KOHX 120432 FFSOHX Flash Flood Statement National Weather Service Nashville TN 1132 PM CDT Tue Aug 11 2026 TNC187-189-120442- /O.CAN.KOHX.FF.W.0067.000000T0000Z-260812T0645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Williamson TN-Wilson TN- 1132 PM CDT Tue Aug 11 2026 ...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN WILLIAMSON AND SOUTHWESTERN WILSON COUNTIES... Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. && LAT...LON 3613 8672 3613 8654 3612 8653 3611 8654 3605 8644 3603 8640 3604 8638 3603 8639 3601 8638 3602 8637 3599 8633 3597 8625 3594 8620 3584 8622 3599 8665 3605 8672 $$ TNC037-149-120645- /O.CON.KOHX.FF.W.0067.000000T0000Z-260812T0645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Davidson TN-Rutherford TN- 1132 PM CDT Tue Aug 11 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT WEDNESDAY FOR SOUTHEASTERN DAVIDSON AND NORTHERN RUTHERFORD COUNTIES... At 1132 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. The expected rainfall rate is 2 inches in 1 hour. 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... Smyrna, La Vergne, Walterhill, Antioch, Percy Priest Lake and Lascassas. This includes the following highways... Interstate 840 between mile markers 56 and 65. Interstate 24 between mile markers 54 and 67. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. && LAT...LON 3613 8672 3613 8654 3612 8653 3611 8654 3605 8644 3603 8640 3604 8638 3603 8639 3601 8638 3602 8637 3599 8633 3597 8625 3594 8620 3584 8622 3599 8665 3605 8672 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...2 INCHES IN 1 HOUR $$ Cravens  246 WUUS53 KBIS 120432 SVRBIS NDC043-120530- /O.NEW.KBIS.SV.W.0279.260812T0432Z-260812T0530Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND 1132 PM CDT Tue Aug 11 2026 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Central Kidder County in south central North Dakota... * Until 1230 AM CDT. * At 1132 PM CDT, a severe thunderstorm was located 9 miles south of Tuttle, or 37 miles northeast of Bismarck, moving northeast at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Steele, Tuttle, Pettibone, Robinson, Lake Williams and Horsehead Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. && LAT...LON 4722 10011 4733 9950 4733 9948 4698 9948 4698 9945 4696 9945 4681 10008 4698 10007 4698 10011 TIME...MOT...LOC 0432Z 235DEG 23KT 4701 10006 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Adam  003 WWUS53 KABR 120433 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 1133 PM CDT Tue Aug 11 2026 SDC117-120443- /O.CAN.KABR.SV.W.0206.000000T0000Z-260812T0500Z/ Stanley SD- 1133 PM CDT Tue Aug 11 2026 /1033 PM MDT Tue Aug 11 2026/ ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHWESTERN STANLEY COUNTY... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. However, gusty winds 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 4406 10037 4374 10052 4377 10059 4375 10066 4371 10068 4372 10074 4371 10073 4371 10074 4374 10075 4373 10079 4376 10081 4376 10084 4383 10093 4381 10095 4382 10095 4385 10099 4385 10106 4417 10105 4417 10075 TIME...MOT...LOC 0400Z 294DEG 27KT 4406 10105 $$ SDC075-120500- /O.CON.KABR.SV.W.0206.000000T0000Z-260812T0500Z/ Jones SD- 1133 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR JONES COUNTY... At 1133 PM CDT, a severe thunderstorm was located 6 miles south of Murdo, moving southeast at 40 mph. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will be near... Murdo around 1135 PM CDT. Westover around 1140 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing widespread damaging winds and large hail. Continuous cloud to ground lightning is occurring with this storm. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Report severe weather to your nearest law enforcement agency or the National Weather Service office in Aberdeen SD. && LAT...LON 4406 10037 4374 10052 4377 10059 4375 10066 4371 10068 4372 10074 4371 10073 4371 10074 4374 10075 4373 10079 4376 10081 4376 10084 4383 10093 4381 10095 4382 10095 4385 10099 4385 10106 4417 10105 4417 10075 TIME...MOT...LOC 0400Z 302DEG 32KT 4396 10109 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ TMT  251 WGUS75 KFGZ 120434 FFSFGZ Flash Flood Statement National Weather Service Flagstaff AZ 934 PM MST Tue Aug 11 2026 AZC001-120444- /O.EXP.KFGZ.FF.W.0105.000000T0000Z-260812T0430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Apache AZ- 1034 PM MDT Tue Aug 11 2026 ...FLASH FLOOD WARNING HAS EXPIRED FOR WIDE RUINS IN APACHE COUNTY... Doppler radar indicated that the heavy rain has ended over the Wide Ruins. With no additional rainfall expected, flash flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. Use caution around area washes as flow will remain elevated. && LAT...LON 3550 10930 3556 10940 3556 10948 3551 10951 3549 10955 3540 10954 3532 10963 3529 10963 3544 10933 $$ Humphreys  361 WWUS53 KUNR 120438 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1038 PM MDT Tue Aug 11 2026 SDC007-071-095-121-123-120530- /O.CON.KUNR.SV.W.0274.000000T0000Z-260812T0530Z/ Bennett SD-Jackson SD-Mellette SD-Todd SD-Tripp SD- 1038 PM MDT Tue Aug 11 2026 /1138 PM CDT Tue Aug 11 2026/ ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM MDT /1230 AM CDT/ FOR MELLETTE, NORTHWESTERN TODD, NORTHWESTERN TRIPP, NORTHEASTERN BENNETT AND SOUTHEASTERN JACKSON COUNTIES... At 1038 PM MDT /1138 PM CDT/, severe thunderstorms were located along a line from over Intersection of Highway 83 and White River to 9 miles southwest of Norris, or along a line from 9 miles north of White River to 26 miles northeast of Martin, moving southeast at 40 mph. THESE ARE DESTRUCTIVE STORMS FOR CEDAR BUTTE, WHITE RIVER. HAZARD...80 mph wind gusts and quarter size hail. SOURCE...Automated observations. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include... Mission, White River, Rosebud, Saint Francis, Parmelee, Okreek, Spring Creek, Long Valley, Norris, Wood, Cedar Butte, Mosher, Upper Cut Meat, Horse Creek, Swift Bear, Soldier Creek, Ring Thunder, Fairgrounds Housing, He Dog and Antelope. This includes Interstate 90 in South Dakota between Mile Markers 171 and 174. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter now inside an interior room on the lowest floor of a well-built structure. These storms have produced widespread destructive winds and are capable of producing large hail. Continuous cloud to ground lightning is occurring with these storms. 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 4346 10173 4394 10106 4384 10106 4382 10095 4381 10096 4383 10093 4371 10074 4371 10073 4372 10074 4371 10068 4377 10059 4373 10047 4372 10047 4374 10037 4370 10029 4370 10014 4363 9990 4328 10038 4305 10093 TIME...MOT...LOC 0429Z 296DEG 32KT 4372 10078 4353 10099 4340 10139 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...80 MPH $$ SE  156 WWUS53 KUNR 120440 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1040 PM MDT Tue Aug 11 2026 SDC105-137-120450- /O.EXP.KUNR.SV.W.0271.000000T0000Z-260812T0445Z/ Perkins SD-Ziebach SD- 1040 PM MDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 1045 PM MDT FOR EAST CENTRAL PERKINS AND NORTHWESTERN ZIEBACH 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 will be allowed to expire. However, small hail and gusty winds are still possible with this thunderstorm. && LAT...LON 4548 10216 4565 10200 4547 10200 4547 10169 4529 10192 TIME...MOT...LOC 0405Z 308DEG 19KT 4552 10197 $$ SE  566 WGUS54 KOHX 120440 FFWOHX TNC015-031-149-177-120645- /O.NEW.KOHX.FF.W.0068.260812T0440Z-260812T0645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Nashville TN 1140 PM CDT Tue Aug 11 2026 The National Weather Service in Nashville has issued a * Flash Flood Warning for... Southwestern Cannon County in Middle Tennessee... Northeastern Coffee County in Middle Tennessee... East Central Rutherford County in Middle Tennessee... Southwestern Warren County in Middle Tennessee... * Until 145 AM CDT. * At 1140 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Woodbury, Morrison, Bradyville and Readyville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3584 8622 3594 8620 3559 8581 3552 8594 3570 8616 3584 8623 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...2-3 INCHES IN 1 HOUR $$ Cravens  001 WWUS53 KUNR 120441 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1041 PM MDT Tue Aug 11 2026 SDC055-071-095-120451- /O.EXP.KUNR.SV.W.0272.000000T0000Z-260812T0445Z/ Haakon SD-Jackson SD-Mellette SD- 1041 PM MDT Tue Aug 11 2026 /1141 PM CDT Tue Aug 11 2026/ ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 1045 PM MDT /1145 PM CDT/ FOR NORTHWESTERN MELLETTE, NORTHEASTERN JACKSON AND SOUTHEASTERN HAAKON COUNTIES... The Severe Thunderstorm Warning that was previously in effect has been reissued for Mellette and Jackson Counties and is in effect until 1130 PM MDT /1230 AM CDT/. Please refer to that bulletin for the latest severe weather information. A Severe Thunderstorm Watch remains in effect until 500 AM MDT /600 AM CDT/ Wednesday for portions of south central and southwest South Dakota. && LAT...LON 4381 10154 4417 10117 4417 10105 4400 10105 4399 10106 4384 10106 4385 10105 4385 10104 4386 10103 4384 10103 4385 10099 4383 10098 4383 10096 4382 10097 4382 10096 4381 10096 4383 10094 4382 10092 4361 10111 TIME...MOT...LOC 0419Z 303DEG 25KT 4408 10098 4386 10115 4370 10129 $$ SE  034 WGUS53 KIND 120441 FFWIND INC145-121045- /O.NEW.KIND.FF.W.0034.260812T0441Z-260812T1045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Indianapolis IN 1241 AM EDT Wed Aug 12 2026 The National Weather Service in Indianapolis has issued a * Flash Flood Warning for... Northern Shelby County in central Indiana... * Until 645 AM EDT Wednesday. * At 1241 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 0.75 to 1.25 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Shelbyville, Morristown and Fairland. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3970 8595 3970 8563 3947 8563 3958 8595 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...0.75-1.25 INCHES IN 1 HOUR $$ AW  327 WWUS53 KUNR 120441 RRA SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1041 PM MDT Tue Aug 11 2026 SDC007-071-095-120451- /O.EXP.KUNR.SV.W.0270.000000T0000Z-260812T0445Z/ Bennett SD-Jackson SD-Mellette SD- 1041 PM MDT Tue Aug 11 2026 /1141 PM CDT Tue Aug 11 2026/ ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 1045 PM MDT /1145 PM CDT/ FOR WEST CENTRAL MELLETTE, NORTH CENTRAL BENNETT AND SOUTHERN JACKSON COUNTIES... The Severe Thunderstorm Warning that was previously in effect has been reissued for Bennett, Mellette, and Jackson Counties and is in effect until 1130 PM MDT /1230 AM CDT/. Please refer to that bulletin for the latest severe weather information. A Severe Thunderstorm Watch remains in effect until 500 AM MDT /600 AM CDT/ Wednesday for portions of south central and southwest South Dakota. && LAT...LON 4364 10197 4383 10143 4363 10109 4331 10168 TIME...MOT...LOC 0418Z 312DEG 29KT 4351 10150 $$ SE  914 WGUS75 KVEF 120441 FFSVEF Flash Flood Statement National Weather Service Las Vegas NV 941 PM PDT Tue Aug 11 2026 CAC071-120451- /O.EXP.KVEF.FF.W.0021.000000T0000Z-260812T0445Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ San Bernardino CA- 941 PM PDT Tue Aug 11 2026 ...FLASH FLOOD WARNING WILL EXPIRE AT 945 PM PDT THIS EVENING FOR SAN BERNARDINO COUNTY... The heavy rain has ended. Flood waters have receded. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. && LAT...LON 3548 11559 3542 11577 3521 11570 3497 11576 3498 11543 3547 11548 $$ JP  606 WWUS53 KGRB 120442 SVSGRB Severe Weather Statement National Weather Service Green Bay WI 1142 PM CDT Tue Aug 11 2026 WIC073-120452- /O.EXP.KGRB.SV.W.0128.000000T0000Z-260812T0445Z/ Marathon WI- 1142 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 1145 PM CDT FOR SOUTHWESTERN MARATHON COUNTY... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office. && LAT...LON 4484 9028 4493 8994 4479 8981 4469 9022 4469 9024 TIME...MOT...LOC 0418Z 333DEG 10KT 4484 9008 $$ JLA  198 WGUS54 KMRX 120443 FFWMRX TNC009-093-155-120630- /O.EXT.KMRX.FF.W.0063.000000T0000Z-260812T0630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Morristown TN 1243 AM EDT Wed Aug 12 2026 The National Weather Service in Morristown has extended the * Flash Flood Warning for... Northeastern Blount County in east Tennessee... Southeastern Knox County in east Tennessee... Western Sevier County in east Tennessee... * Until 230 AM EDT. * At 1243 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Knoxville, Sevierville, Gatlinburg, Pigeon Forge, Pittman Center, McMahan, Seymour, Kimberlin Heights and Wears Valley. This includes the following highways... Interstate 75 in Tennessee between mile markers 108 and 109. Interstate 40 in Tennessee between mile markers 384 and 403. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. && LAT...LON 3596 8402 3603 8398 3608 8391 3609 8388 3606 8379 3603 8373 3598 8365 3593 8356 3584 8350 3577 8343 3570 8338 3564 8352 3568 8367 3571 8374 3586 8392 FLASH FLOOD...RADAR INDICATED $$ 52  280 WWUS53 KBIS 120443 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1143 PM CDT Tue Aug 11 2026 NDC043-047-120453- /O.EXP.KBIS.SV.W.0277.000000T0000Z-260812T0445Z/ Kidder ND-Logan ND- 1143 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 1145 PM CDT FOR SOUTHWESTERN KIDDER AND NORTHWESTERN LOGAN COUNTIES... 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. A Severe Thunderstorm Warning still remains in effect for northern Kidder County. A Severe Thunderstorm Watch remains in effect until 100 AM CDT for portions of south central and southeast North Dakota. && LAT...LON 4663 9998 4678 10003 4687 9978 4673 9964 4654 9962 4655 9992 4663 9992 TIME...MOT...LOC 0414Z 247DEG 18KT 4668 9985 $$ Adam  123 WWUS53 KBIS 120445 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1145 PM CDT Tue Aug 11 2026 NDC015-120515- /O.CON.KBIS.SV.W.0278.000000T0000Z-260812T0515Z/ Burleigh ND- 1145 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT FOR NORTHEASTERN BURLEIGH COUNTY... At 1145 PM CDT, a severe thunderstorm was located 8 miles south of Wing, or 30 miles northeast of Bismarck, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Wing, Sterling, Driscoll and Arena. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. && LAT...LON 4679 10029 4701 10059 4725 10031 4722 10011 4698 10011 4698 10008 4683 10008 TIME...MOT...LOC 0422Z 236DEG 23KT 4695 10041 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Adam  980 WWUS53 KUNR 120446 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1046 PM MDT Tue Aug 11 2026 SDC007-071-095-121-123-120530- /O.CON.KUNR.SV.W.0274.000000T0000Z-260812T0530Z/ Bennett SD-Jackson SD-Mellette SD-Todd SD-Tripp SD- 1046 PM MDT Tue Aug 11 2026 /1146 PM CDT Tue Aug 11 2026/ ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM MDT /1230 AM CDT/ FOR MELLETTE, NORTHWESTERN TODD, NORTHWESTERN TRIPP, NORTHEASTERN BENNETT AND SOUTHEASTERN JACKSON COUNTIES... At 1046 PM MDT /1146 PM CDT/, severe thunderstorms were located along a line from 6 miles southeast of Intersection of Highway 83 and White River to 9 miles south of Norris, or along a line from 10 miles northeast of White River to 27 miles west of Mission, moving southeast at 40 mph. THESE ARE DESTRUCTIVE STORMS FOR WHITE RIVER, WOOD, MOSHER. HAZARD...80 mph wind gusts and quarter size hail. SOURCE...Automated observations. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be heavily damaged. Expect considerable damage to roofs, windows, and vehicles. Extensive tree damage and power outages are likely. Locations impacted include... Mission, White River, Rosebud, Saint Francis, Parmelee, Okreek, Spring Creek, Long Valley, Norris, Wood, Cedar Butte, Mosher, Upper Cut Meat, Horse Creek, Swift Bear, Ring Thunder, Soldier Creek, Fairgrounds Housing, Antelope and Two Strike. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter now inside an interior room on the lowest floor of a well-built structure. These storms have produced widespread destructive winds and are capable of producing large hail. Continuous cloud to ground lightning is occurring with these storms. 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 4383 10093 4372 10074 4371 10068 4377 10059 4372 10047 4374 10037 4370 10029 4370 10014 4363 9990 4328 10038 4305 10093 4344 10169 TIME...MOT...LOC 0438Z 296DEG 32KT 4369 10068 4349 10090 4337 10129 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...80 MPH $$ SE  217 WWUS53 KGRB 120452 SVSGRB Severe Weather Statement National Weather Service Green Bay WI 1152 PM CDT Tue Aug 11 2026 WIC073-097-141-120530- /O.CON.KGRB.SV.W.0129.000000T0000Z-260812T0530Z/ Marathon WI-Portage WI-Wood WI- 1152 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR SOUTH CENTRAL MARATHON, NORTHWESTERN PORTAGE AND NORTHEASTERN WOOD COUNTIES... At 1152 PM CDT, a severe thunderstorm was located 13 miles east of Marshfield, or 19 miles north of Wisconsin Rapids, moving southeast at 20 mph. Power lines were downed with the storm near Stratford around 1120 PM. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Other locations impacted by the severe thunderstorm include Auburndale, Blenker, Milladore, Sherry and Junction City. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4469 9009 4473 9011 4480 8982 4456 8960 4448 9001 TIME...MOT...LOC 0426Z 330DEG 17KT 4475 8999 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ JLA  030 WUUS53 KBIS 120453 SVRBIS NDC043-093-120600- /O.NEW.KBIS.SV.W.0280.260812T0453Z-260812T0600Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Bismarck ND 1153 PM CDT Tue Aug 11 2026 The National Weather Service in Bismarck has issued a * Severe Thunderstorm Warning for... Southeastern Kidder County in south central North Dakota... Southwestern Stutsman County in southeastern North Dakota... * Until 100 AM CDT. * At 1153 PM CDT, a severe thunderstorm was located 7 miles northwest of Streeter, or 38 miles west of Jamestown, moving east at 25 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. * Locations impacted include... Streeter, Cleveland, Windsor and Streeter Memorial. 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. && LAT...LON 4663 9950 4684 9955 4693 9901 4680 9892 4663 9893 TIME...MOT...LOC 0452Z 258DEG 22KT 4673 9946 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.50 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Adam  549 WGUS75 KTWC 120457 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 957 PM MST Tue Aug 11 2026 AZC003-120507- /O.EXP.KTWC.FF.W.0126.000000T0000Z-260812T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cochise AZ- 957 PM MST Tue Aug 11 2026 ...FLASH FLOOD WARNING WILL EXPIRE AT 10 PM MST THIS EVENING FOR CENTRAL COCHISE COUNTY... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. A Flood Watch remains in effect until 1100 PM MST for a portion of Southeast Arizona. && LAT...LON 3167 10961 3173 10951 3189 10955 3193 10963 3191 10974 3184 10977 3166 10970 $$ AWH  627 WWUS53 KBIS 120457 SVSBIS Severe Weather Statement National Weather Service Bismarck ND 1157 PM CDT Tue Aug 11 2026 NDC043-120530- /O.CON.KBIS.SV.W.0279.000000T0000Z-260812T0530Z/ Kidder ND- 1157 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR CENTRAL KIDDER COUNTY... At 1157 PM CDT, a severe thunderstorm was located near Robinson, or 42 miles southwest of Carrington, moving northeast at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Steele, Tuttle, Pettibone, Robinson, Lake Williams and Horsehead Lake. 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. && LAT...LON 4722 10011 4733 9950 4733 9948 4698 9948 4698 9945 4696 9945 4681 10008 4698 10007 4698 10011 TIME...MOT...LOC 0432Z 235DEG 23KT 4699 10002 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.25 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Adam  787 WWUS53 KABR 120457 SVSABR Severe Weather Statement National Weather Service Aberdeen SD 1157 PM CDT Tue Aug 11 2026 SDC075-120507- /O.EXP.KABR.SV.W.0206.000000T0000Z-260812T0500Z/ Jones SD- 1157 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT MIDNIGHT CDT FOR JONES COUNTY... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office. A Severe Thunderstorm Watch remains in effect until 600 AM CDT Wednesday for a portion of central South Dakota. && LAT...LON 4406 10037 4374 10052 4377 10059 4375 10066 4371 10068 4372 10074 4371 10073 4371 10074 4374 10075 4373 10079 4376 10081 4376 10084 4383 10093 4381 10095 4382 10095 4385 10099 4385 10106 4417 10105 4417 10075 TIME...MOT...LOC 0433Z 302DEG 32KT 4380 10073 $$ TMT  365 WWUS53 KUNR 120459 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 1059 PM MDT Tue Aug 11 2026 SDC007-071-120509- /O.CAN.KUNR.SV.W.0274.000000T0000Z-260812T0530Z/ Bennett SD-Jackson SD- 1059 PM MDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHEASTERN BENNETT AND SOUTHEASTERN JACKSON COUNTIES... The storms which prompted the warning have moved out of the area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 500 AM MDT Wednesday for a portion of southwest South Dakota. && LAT...LON 4375 10080 4374 10080 4371 10068 4377 10059 4372 10047 4374 10037 4370 10029 4370 10014 4363 9990 4328 10038 4309 10083 4329 10121 4342 10118 TIME...MOT...LOC 0446Z 296DEG 32KT 4365 10059 4346 10081 4334 10120 $$ SDC095-121-123-120530- /O.CON.KUNR.SV.W.0274.000000T0000Z-260812T0530Z/ Mellette SD-Todd SD-Tripp SD- 1159 PM CDT Tue Aug 11 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR MELLETTE, NORTHWESTERN TODD AND NORTHWESTERN TRIPP COUNTIES... At 1159 PM CDT, severe thunderstorms were located along a line from 7 miles north of Wood to over He Dog, or along a line from 16 miles east of White River to 19 miles west of Mission, moving southeast at 40 mph. THESE ARE DESTRUCTIVE STORMS FOR WOOD, MOSHER. HAZARD...100 mph wind gusts and quarter size hail. SOURCE...Automated observations. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be destroyed. Expect considerable damage to homes and businesses. Expect extensive tree damage and power outages. Locations impacted include... Mission, White River, Rosebud, Saint Francis, Parmelee, Okreek, Wood, Mosher, Upper Cut Meat, Horse Creek, Antelope, Butte Creek, Swift Bear, Ring Thunder, Soldier Creek, Fairgrounds Housing, Two Strike, Grass Mountain, He Dog and Haystack Butte. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter now inside an interior room on the lowest floor of a well-built structure. These storms have produced widespread destructive winds and are capable of producing large hail. This is a dangerous situation with winds expected to produce damage similar to a tornado. Move to an interior room on the lowest floor of a well-built structure. Mobile homes and high profile vehicles are at an enhanced risk for damage. && LAT...LON 4375 10080 4374 10080 4371 10068 4377 10059 4372 10047 4374 10037 4370 10029 4370 10014 4363 9990 4328 10038 4309 10083 4329 10121 4342 10118 TIME...MOT...LOC 0446Z 296DEG 34KT 4365 10057 4345 10079 4333 10119 THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...OBSERVED MAX WIND GUST...100 MPH $$ SE