South Dakota Severe Severe Thunderstorm Warning | Effective 09/01/2026 14:06

Headline: 
Severe Thunderstorm Warning issued September 1 at 4:06PM CDT until September 1 at 4:45PM CDT by NWS Sioux Falls SD
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 1, 2026 - 2:06pm
Expires: 
September 1, 2026 - 2:45pm
Description: 
SVRFSD The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Northwestern Charles Mix County in south central South Dakota... Northwestern Gregory County in south central South Dakota... Southern Brule County in south central South Dakota... * Until 445 PM CDT. * At 405 PM CDT, a severe thunderstorm was located near Gregory, or 26 miles east of Winner, moving northeast at 40 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will be near... Lake Francis Case around 420 PM CDT.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Sioux Falls.
Area Description: 
Brule, SD; Charles Mix, SD; Gregory, SD
Forcast Office: 
NWS Sioux Falls SD
Sender: 
w-nws.webmaster@noaa.gov