Immediate

Responsive action SHOULD be taken immediately

Tennessee Severe Flash Flood Warning | Effective 08/11/2026 21:20

FFWMRX 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/.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:22

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.

Wisconsin Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:26

SVRGRB 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.

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:00

SVRABR 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

North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:01

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. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:04

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. Anyone outdoors should move to shelter inside a well-built structure

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:05

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. Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail.

South Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:05

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.

North Dakota Severe Severe Thunderstorm Warning | Effective 08/11/2026 21:08

SVRBIS 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...
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