Illinois Severe Extreme Heat Warning | Effective 07/01/2026 11:24

Headline: 
Extreme Heat Warning issued July 1 at 1:24PM CDT until July 3 at 7:00PM CDT by NWS Lincoln IL
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 1, 2026 - 11:24am
Expires: 
July 2, 2026 - 2:15am
Description: 
* WHAT...Dangerously hot conditions with afternoon heat index values up to 105 to 110. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...Until 7 PM CDT Friday. * 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. Do not leave children and pets unattended in parked vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Area Description: 
Schuyler; Logan; De Witt; Piatt; Champaign; Vermilion; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Edgar; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence
Forcast Office: 
NWS Lincoln IL