Iowa Severe Extreme Heat Warning | Effective 06/29/2026 13:06

Headline: 
Extreme Heat Warning issued June 29 at 3:06PM CDT until July 1 at 10:00PM CDT by NWS Des Moines IA
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 29, 2026 - 1:06pm
Expires: 
June 29, 2026 - 11:15pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 107 degrees. * WHERE...Most of central Iowa. * WHEN...Until 10 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Extreme heat will persist through much of next week, potentially including the 4th of July weekend.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Area Description: 
Wright; Webster; Hamilton; Hardin; Greene; Boone; Story; Marshall; Tama; Guthrie; Dallas; Polk; Jasper; Poweshiek; Adair; Madison; Warren; Marion; Mahaska; Adams; Union; Clarke; Lucas; Monroe; Wapello; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis
Forcast Office: 
NWS Des Moines IA