Illinois Severe Extreme Heat Warning | Effective 08/10/2026 22:53

Headline: 
Extreme Heat Warning issued August 11 at 12:53AM CDT until August 13 at 8:00PM CDT by NWS Paducah KY
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
August 10, 2026 - 10:53pm
Expires: 
August 11, 2026 - 2:00pm
Description: 
* WHAT...Dangerously hot conditions with peak heat index values up to 113 degrees. * WHERE...Perry IL County. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Daily heat index values will remain elevated in the triple digits through next weekend.
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: 
Perry
Forcast Office: 
NWS Paducah KY
Sender: 
w-nws.webmaster@noaa.gov