Iowa Severe Extreme Heat Watch | Effective 06/27/2026 06:49

Headline: 
Extreme Heat Watch issued June 27 at 8:49AM CDT until June 30 at 9:00PM CDT by NWS Des Moines IA
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
June 27, 2026 - 6:49am
Expires: 
June 27, 2026 - 5:00pm
Description: 
* WHAT...Dangerously hot conditions with heat index exceeding 100 degrees multiple days. * WHERE...Much of Iowa. * WHEN...From Sunday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Excessive 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Area Description: 
Emmet; Kossuth; Winnebago; Worth; Palo Alto; Hancock; Cerro Gordo; Pocahontas; Humboldt; Wright; Franklin; Butler; Bremer; Sac; Calhoun; Webster; Hamilton; Hardin; Grundy; Black Hawk; Crawford; Carroll; Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie; Dallas; Polk; Jasper; Poweshiek; Cass; Adair; Madison; Warren; Marion; Mahaska; Adams; Union; Clarke; Lucas; Monroe; Wapello; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis
Forcast Office: 
NWS Des Moines IA