Forecasts

EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHarding, SD; Perkins, SD Effective8/17/2026, 6:54:00 PM CDT Expires8/17/2026, 8:00:00 PM CDT Severe Thunderstorm...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaSheridan Effective8/17/2026, 6:41:00 PM CDT Expires8/17/2026, 7:30:00 PM CDT Special Weather Statement issued August...

EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaAitkin, MN; Itasca, MN; St. Louis, MN Effective8/17/2026, 6:44:00 PM CDT Expires8/17/2026, 7:45:00 PM...

EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBennett, SD; Jackson, SD; Oglala Lakota, SD Effective8/17/2026, 6:41:00 PM CDT Expires8/17/2026, 7:45:00 PM...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaGarden; Deuel; Keith Effective8/17/2026, 6:45:00 PM CDT Expires8/17/2026, 7:15:00 PM CDT Special Weather Statement...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaRock; Loup Effective8/17/2026, 6:48:00 PM CDT Expires8/17/2026, 7:15:00 PM CDT Special Weather Statement issued...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaDawes Effective8/17/2026, 6:31:00 PM CDT Expires8/17/2026, 7:00:00 PM CDT Special Weather Statement issued August...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaNorthern Oglala Lakota Effective8/17/2026, 6:31:00 PM CDT Expires8/17/2026, 7:00:00 PM CDT Special Weather Statement...

EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaMorrison, MN; Todd, MN Effective8/17/2026, 6:32:00 PM CDT Expires8/17/2026, 7:15:00 PM CDT Severe Thunderstorm...

EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHughes, SD; Hyde, SD; Sully, SD Effective8/17/2026, 6:26:00 PM CDT Expires8/17/2026, 7:15:00 PM CDT...