EventExtreme Heat Warning SeveritySevere UrgencyExpected CertaintyLikely AreaDelaware; Northeast Osage; Southeast Osage Effective7/20/2026, 12:11:00 PM CDT Expires7/21/2026, 12:15:00 AM CDT Extreme...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHenderson, IL; Henry, IL; Mercer, IL; Rock Island, IL; Warren, IL; Des Moines, IA;...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaSibley; Brown; Nicollet; Le Sueur; Watonwan; Blue Earth; Waseca; Steele; Martin; Faribault; Freeborn Effective7/20/2026, 11:55:00...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaHennepin; Anoka; Ramsey; Washington; Carver; Scott; Dakota; Rice; Goodhue Effective7/20/2026, 11:55:00 AM CDT Expires7/20/2026, 6:00:00...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaJohnson; Muscatine; Washington; Louisa; Henry; Rock Island; Mercer Effective7/20/2026, 11:43:00 AM CDT Expires7/20/2026, 12:30:00...
EventFlash Flood Warning SeveritySevere UrgencyImmediate CertaintyLikely AreaCedar, IA; Muscatine, IA; Scott, IA Effective7/20/2026, 11:36:00 AM CDT Expires7/20/2026, 5:30:00 PM CDT...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaCedar; Clinton; Muscatine; Scott; Rock Island; Henry Effective7/20/2026, 11:25:00 AM CDT Expires7/20/2026, 12:15:00 PM...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBenton, IA; Cedar, IA; Iowa, IA; Johnson, IA; Jones, IA; Linn, IA; Muscatine, IA;...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaVernon; Beauregard; Allen; West Cameron; East Cameron; Northern Calcasieu; Northern Jefferson Davis; Southern Calcasieu; Southern...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaBenton; Iowa; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Henderson; Hancock; Scotland;...