EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDoor, WI Effective7/20/2026, 8:16:00 PM CDT Expires7/20/2026, 8:45:00 PM CDT Severe Thunderstorm Warning issued...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventFlash Flood Warning SeveritySevere UrgencyImmediate CertaintyLikely AreaJasper, IA; Polk, IA Effective7/20/2026, 8:18:00 PM CDT Expires7/21/2026, 2:15:00 AM CDT Flash Flood...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaMarathon, WI; Portage, WI Effective7/20/2026, 8:04:00 PM CDT Expires7/20/2026, 8:45:00 PM CDT Tornado Warning issued...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaMarathon, WI; Shawano, WI; Waupaca, WI Effective7/20/2026, 8:06:00 PM CDT Expires7/20/2026, 9:00:00 PM CDT Tornado...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaVernon; Rapides; Avoyelles; Beauregard; Allen; Evangeline; St. Landry; Lafayette; Upper St. Martin; Lower St. Martin;...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaMarinette, WI Effective7/20/2026, 7:53:00 PM CDT Expires7/20/2026, 8:45:00 PM CDT Tornado Warning issued July 20...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaWood, WI Effective7/20/2026, 7:55:00 PM CDT Expires7/20/2026, 8:45:00 PM CDT Tornado Warning issued July 20...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaLyon; Osceola; Dickinson; Sioux; O'Brien; Clay; Gregory; Charles Mix; Douglas; Hutchinson; Turner; Lincoln; Bon Homme;...
EventExtreme Heat Warning SeveritySevere UrgencyExpected CertaintyLikely AreaPlymouth; Cherokee; Buena Vista; Woodbury; Ida; Dixon; Dakota; Clay; Union Effective7/20/2026, 7:49:00 PM CDT...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaLanglade, WI; Menominee, WI; Shawano, WI Effective7/20/2026, 7:43:00 PM CDT Expires7/20/2026, 8:30:00 PM CDT Tornado...