EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCorson, SD; Dewey, SD Effective7/25/2026, 6:41:00 PM CDT Expires7/25/2026, 7:30:00 PM CDT Severe Thunderstorm...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaCorson, SD; Walworth, SD Effective7/25/2026, 6:43:00 PM CDT Expires7/25/2026, 11:00:00 PM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaWestern Cherry Effective7/25/2026, 6:18:00 PM CDT Expires7/25/2026, 6:45:00 PM CDT Special Weather Statement issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDewey, SD; Potter, SD; Stanley, SD; Sully, SD Effective7/25/2026, 6:21:00 PM CDT Expires7/25/2026, 7:00:00...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaKeya Paha; Boyd; Brown; Rock; Holt Effective7/25/2026, 6:20:00 PM CDT Expires7/25/2026, 7:15:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBuffalo, SD; Hand, SD; Hyde, SD Effective7/25/2026, 6:15:00 PM CDT Expires7/25/2026, 7:00:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaAurora, SD; Beadle, SD; Brule, SD; Davison, SD; Jerauld, SD; Sanborn, SD Effective7/25/2026, 6:16:00...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaDewey; Potter; Stanley; Sully Effective7/25/2026, 6:12:00 PM CDT Expires7/25/2026, 7:00:00 PM CDT Special Weather...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDewey, SD Effective7/25/2026, 5:55:00 PM CDT Expires7/25/2026, 6:45:00 PM CDT Severe Thunderstorm Warning issued...
EventExtreme Heat Warning SeveritySevere UrgencyExpected CertaintyLikely AreaEastern Cherry; Brown; Rock; Thomas; Blaine; Loup; Garfield; Logan; Custer; Lincoln; Frontier Effective7/25/2026, 5:40:00...