EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaBrown, SD; Buffalo, SD; Campbell, SD; Corson, SD; Dewey, SD; Edmunds, SD; Faulk, SD;...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaBennett, SD; Custer, SD; Fall River, SD; Haakon, SD; Jackson, SD; Meade, SD; Mellette,...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaMeade, SD; Perkins, SD; Ziebach, SD Effective8/17/2026, 3:54:00 PM CDT Expires8/17/2026, 5:00:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaClay, MN Effective8/17/2026, 3:18:00 PM CDT Expires8/17/2026, 4:15:00 PM CDT Severe Thunderstorm Warning issued...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaStafford; Kiowa; Pratt; Clark; Comanche; Barber Effective8/17/2026, 3:18:00 PM CDT Expires8/18/2026, 7:00:00 AM CDT Heat...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaPerkins, SD; Ziebach, SD Effective8/17/2026, 3:09:00 PM CDT Expires8/17/2026, 4:00:00 PM CDT Severe Thunderstorm...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaPerkins, SD Effective8/17/2026, 3:07:00 PM CDT Expires8/17/2026, 4:00:00 PM CDT Severe Thunderstorm Warning issued...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaHettinger; Grant; Adams Effective8/17/2026, 3:00:00 PM CDT Expires8/17/2026, 3:30:00 PM CDT Special Weather Statement...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaSlope; Hettinger; Bowman; Adams Effective8/17/2026, 2:28:00 PM CDT Expires8/17/2026, 3:00:00 PM CDT Special Weather...
EventFlash Flood Warning SeveritySevere UrgencyImmediate CertaintyLikely AreaJeff Davis, TX Effective8/17/2026, 2:21:00 PM CDT Expires8/17/2026, 5:15:00 PM CDT Flash Flood Warning...