Illinois, Indiana Moderate Heat Advisory | Effective 09/04/2026 00:54

Headline: 
Heat Advisory issued September 4 at 2:54AM CDT until September 4 at 10:00PM CDT by NWS Chicago IL
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 4, 2026 - 12:54am
Expires: 
September 4, 2026 - 11:00am
Description: 
* WHAT...Peak heat index values this afternoon of 100 to locally 110 degrees. * WHERE...In Illinois, Livingston, Ford, Iroquois, La Salle, Grundy, and Kankakee Counties. In Indiana, Benton, Jasper, and Newton Counties. * WHEN...Until 10 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.
Area Description: 
La Salle; Grundy; Kankakee; Livingston; Iroquois; Ford; Newton; Jasper; Benton
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov