EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaZiebach; Haakon Effective8/17/2026, 4:25:00 PM CDT Expires8/17/2026, 5:00:00 PM CDT Special Weather Statement issued...
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EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDewey, SD Effective8/17/2026, 4:10:00 PM CDT Expires8/17/2026, 4:45:00 PM CDT Severe Thunderstorm Warning issued...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaDawes; North Sioux Effective8/17/2026, 4:08:00 PM CDT Expires8/17/2026, 4:45:00 PM CDT Special Weather Statement...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaBrown, SD; Buffalo, SD; Campbell, SD; Corson, SD; Dewey, SD; Edmunds, SD; Faulk, SD;...
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...