Iowa, Illinois, Missouri Moderate Heat Advisory | Effective 08/30/2026 11:04

Headline: 
Heat Advisory issued August 30 at 1:04PM CDT until September 2 at 7:00PM CDT by NWS Quad Cities IA IL
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 30, 2026 - 11:04am
Expires: 
August 31, 2026 - 1:00am
Description: 
* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...From 1 PM Monday to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Thunderstorms and cooler storm outflow may interrupt the high heat at times.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Area Description: 
Iowa; Johnson; Cedar; Muscatine; Scott; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Rock Island; Henry; Mercer; Henderson; Warren; Hancock; McDonough; Scotland; Clark
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov