Illinois Moderate Heat Advisory | Effective 09/01/2026 00:48

Headline: 
Heat Advisory issued September 1 at 2:48AM CDT until September 3 at 7:00PM CDT by NWS Lincoln IL
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 1, 2026 - 12:48am
Expires: 
September 1, 2026 - 2:15pm
Description: 
* WHAT...Afternoon Heat index values up to 105, only falling into the mid to upper 70s at night. * 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; 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