Iowa, Illinois, Missouri Moderate Heat Advisory | Effective 07/18/2026 07:57

Headline: 
Heat Advisory issued July 18 at 9:57AM CDT until July 18 at 7:00PM CDT by NWS Quad Cities IA IL
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 18, 2026 - 7:57am
Expires: 
July 18, 2026 - 5:00pm
Description: 
* WHAT...Heat index values around 100 degrees expected. * WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
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: 
Muscatine; Scott; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Rock Island; Mercer; Henderson; Warren; Hancock; McDonough; Scotland; Clark
Forcast Office: 
NWS Quad Cities IA IL