EventFlood Watch SeveritySevere UrgencyFuture CertaintyPossible AreaBenton; Linn; Jones; Jackson; Iowa; Johnson; Cedar; Clinton; Muscatine; Scott; Carroll; Whiteside; Rock Island; Henry;...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventFlood Watch SeveritySevere UrgencyFuture CertaintyPossible AreaKeokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Mercer; Henderson; Warren; Hancock; McDonough;...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaAntelope, NE; Boone, NE; Madison, NE; Platte, NE Effective8/13/2026, 2:09:00 AM CDT Expires8/13/2026, 3:00:00...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaRepublic; Washington; Marshall; Nemaha; Brown Effective8/13/2026, 2:10:00 AM CDT Expires8/13/2026, 7:00:00 PM CDT Heat Advisory...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaGarfield, NE; Holt, NE; Wheeler, NE Effective8/13/2026, 1:58:00 AM CDT Expires8/13/2026, 2:45:00 AM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaGreeley, NE; Howard, NE; Merrick, NE; Nance, NE; Sherman, NE; Valley, NE Effective8/13/2026, 1:55:00...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaAdair, IA; Adams, IA; Audubon, IA; Calhoun, IA; Carroll, IA; Cass, IA; Crawford, IA;...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaSherman, NE; Valley, NE Effective8/13/2026, 1:35:00 AM CDT Expires8/13/2026, 2:15:00 AM CDT Severe Thunderstorm...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBoone, NE Effective8/13/2026, 1:36:00 AM CDT Expires8/13/2026, 2:15:00 AM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaHarrison, IA; Mills, IA; Monona, IA; Montgomery, IA; Pottawattamie, IA; Shelby, IA; Boone, NE;...