EventTornado Watch SeverityExtreme UrgencyFuture CertaintyPossible AreaCedar, IA; Henry, IA; Jefferson, IA; Louisa, IA; Muscatine, IA Effective7/20/2026, 4:38:00 PM CDT Expires7/20/2026,...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaHamilton, IA; Hardin, IA Effective7/20/2026, 4:34:00 PM CDT Expires7/20/2026, 5:15:00 PM CDT Tornado Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHudspeth, TX Effective7/20/2026, 4:21:00 PM CDT Expires7/20/2026, 5:15:00 PM CDT Severe Thunderstorm Warning issued...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaIowa; Lafayette Effective7/20/2026, 4:22:00 PM CDT Expires7/20/2026, 5:15:00 PM CDT Special Weather Statement issued...
EventFlood Warning SeveritySevere UrgencyExpected CertaintyLikely AreaBrewster, TX Effective7/20/2026, 4:22:00 PM CDT Expires7/21/2026, 4:30:00 AM CDT Flood Warning issued July 20...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHamilton, IA; Hardin, IA Effective7/20/2026, 4:25:00 PM CDT Expires7/20/2026, 5:15:00 PM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaGrant Effective7/20/2026, 4:18:00 PM CDT Expires7/20/2026, 4:45:00 PM CDT Special Weather Statement issued July...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBenton, IA; Buchanan, IA; Linn, IA Effective7/20/2026, 4:18:00 PM CDT Expires7/20/2026, 5:30:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBlack Hawk, IA; Bremer, IA Effective7/20/2026, 4:13:00 PM CDT Expires7/20/2026, 5:15:00 PM CDT Severe...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBlack Hawk, IA; Grundy, IA; Hardin, IA; Marshall, IA; Tama, IA Effective7/20/2026, 3:56:00 PM...