EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaFond Du Lac Effective8/21/2026, 6:06:00 PM CDT Expires8/21/2026, 6:45:00 PM CDT Special Weather Statement...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBox Butte, NE; Dawes, NE Effective8/21/2026, 6:06:00 PM CDT Expires8/21/2026, 7:00:00 PM CDT Severe...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBates, MO; Cass, MO Effective8/21/2026, 6:06:00 PM CDT Expires8/21/2026, 6:30:00 PM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaSabine; Shelby Effective8/21/2026, 6:00:00 PM CDT Expires8/21/2026, 6:45:00 PM CDT Special Weather Statement issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaSabine, LA; Shelby, TX Effective8/21/2026, 6:03:00 PM CDT Expires8/21/2026, 6:45:00 PM CDT Severe Thunderstorm...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaCherry, NE; Deuel, NE; Garden, NE; Grant, NE; Sheridan, NE Effective8/21/2026, 5:48:00 PM CDT...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaBanner, NE; Box Butte, NE; Cheyenne, NE; Dawes, NE; Kimball, NE; Morrill, NE; Scotts...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaWaupaca Effective8/21/2026, 5:41:00 PM CDT Expires8/21/2026, 6:15:00 PM CDT Special Weather Statement issued August...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaFall River, SD; Oglala Lakota, SD Effective8/21/2026, 5:41:00 PM CDT Expires8/21/2026, 6:15:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaJohnson, KS; Miami, KS; Cass, MO; Jackson, MO Effective8/21/2026, 5:43:00 PM CDT Expires8/21/2026, 6:15:00...