Illinois Severe Extreme Heat Watch | Effective 07/25/2026 12:06

Headline: 
Extreme Heat Watch issued July 25 at 2:06PM CDT until July 27 at 10:00PM CDT by NWS Quad Cities IA IL
Event: 
Extreme Heat Watch
Urgency: 
Future
Effective: 
July 25, 2026 - 12:06pm
Expires: 
July 25, 2026 - 8:15pm
Description: 
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY EVENING... * WHAT...For the Heat Advisory, heat index values between 100 to 105 expected. For the Extreme Heat Watch, continued dangerously hot conditions possible with heat index values potentially between 100 to 110. * WHERE...Carroll, Jo Daviess, and Stephenson Counties. * WHEN...For the Heat Advisory, from 11 AM to 9 PM CDT Sunday. For the Extreme Heat Watch, from Sunday evening through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Little relief is expected Sunday night with low temperatures in the mid to upper 70s.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Area Description: 
Jo Daviess; Stephenson; Carroll
Forcast Office: 
NWS Quad Cities IA IL