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

Headline: 
Extreme Heat Warning issued July 1 at 1:43PM CDT until July 1 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 - 8:00pm
Description: 
* WHAT...Dangerously hot conditions with heat index values over 100. * WHERE...Much of central and southern Iowa. * WHEN...Until 10 PM CDT this evening. * 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: 
Webster; Hamilton; Hardin; Grundy; Black Hawk; Greene; Boone; Story; Marshall; Tama; Guthrie; Cass; Adair; Adams
Forcast Office: 
NWS Des Moines IA