EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCorson, SD Effective8/11/2026, 9:42:00 PM CDT Expires8/11/2026, 10:30:00 PM CDT Severe Thunderstorm Warning issued...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHaakon, SD; Jackson, SD; Meade, SD; Pennington, SD Effective8/11/2026, 9:43:00 PM CDT Expires8/11/2026, 10:45:00...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCherry, NE Effective8/11/2026, 9:43:00 PM CDT Expires8/11/2026, 10:30:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaMeade, SD; Pennington, SD Effective8/11/2026, 9:29:00 PM CDT Expires8/11/2026, 10:30:00 PM CDT Severe Thunderstorm...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCorson, SD Effective8/11/2026, 9:28:00 PM CDT Expires8/11/2026, 10:15:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaAdams, ND Effective8/11/2026, 9:29:00 PM CDT Expires8/11/2026, 10:00:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaDewey, SD Effective8/11/2026, 9:30:00 PM CDT Expires8/12/2026, 1:00:00 AM CDT Severe Thunderstorm Watch issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaGrant, ND; Morton, ND Effective8/11/2026, 9:15:00 PM CDT Expires8/11/2026, 10:00:00 PM CDT Severe Thunderstorm...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCorson, SD Effective8/11/2026, 9:04:00 PM CDT Expires8/11/2026, 9:45:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCherry, NE; Sheridan, NE Effective8/11/2026, 8:54:00 PM CDT Expires8/11/2026, 9:45:00 PM CDT Severe Thunderstorm...