Illinois Moderate Heat Advisory | Effective 09/01/2026 11:11

Headline: 
Heat Advisory issued September 1 at 1:11PM CDT until September 3 at 7:00PM CDT by NWS Lincoln IL
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 1, 2026 - 11:11am
Expires: 
September 2, 2026 - 4:00am
Description: 
* WHAT...Heat index values up to 105. * 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: 
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: 
Knox; Stark; Peoria; Marshall; Woodford; Fulton; Tazewell; McLean; Schuyler; Mason; Logan; De Witt; Piatt; Champaign; Vermilion; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Edgar; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence
Forcast Office: 
NWS Lincoln IL
Sender: 
w-nws.webmaster@noaa.gov