Illinois Severe Extreme Heat Warning | Effective 08/12/2026 11:11

Headline: 
Extreme Heat Warning issued August 12 at 1:11PM CDT until August 16 at 8:00PM CDT by NWS Paducah KY
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
August 12, 2026 - 11:11am
Expires: 
August 13, 2026 - 2:15am
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 112. * WHERE...Perry County Illinois. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
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