Illinois Moderate Heat Advisory | Effective 08/31/2026 10:12

Headline: 
Heat Advisory issued August 31 at 12:12PM CDT until September 3 at 7:00PM CDT by NWS Lincoln IL
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 31, 2026 - 10:12am
Expires: 
September 1, 2026 - 3:00am
Description: 
* WHAT...Heat index values up to 105 expected. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...Until 7 PM CDT Thursday. * 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.
Area Description: 
Knox; Stark; Peoria; Fulton; Tazewell; Schuyler; Mason; Logan; De Witt; Piatt; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence
Forcast Office: 
NWS Lincoln IL
Sender: 
w-nws.webmaster@noaa.gov