Iowa Severe Extreme Heat Warning | Effective 07/01/2026 11:43

Headline: 
Extreme Heat Warning issued July 1 at 1:43PM CDT until July 2 at 10:00PM CDT by NWS Des Moines IA
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 1, 2026 - 11:43am
Expires: 
July 1, 2026 - 9:45pm
Description: 
* WHAT...Dangerously hot conditions with heat index values over 100. * WHERE...Portions of central and southern Iowa. * WHEN...Until 10 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
Dallas; Polk; Jasper; Poweshiek; Madison; Warren; Marion; Mahaska; Union; Clarke; Lucas; Monroe; Wapello; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis
Forcast Office: 
NWS Des Moines IA