Iowa, Illinois Severe Extreme Heat Warning | Effective 07/02/2026 10:58

Headline: 
Extreme Heat Warning issued July 2 at 12:58PM CDT until July 2 at 10:00PM CDT by NWS Quad Cities IA IL
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
July 2, 2026 - 10:58am
Expires: 
July 2, 2026 - 7:00pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 105. * WHERE...In Illinois, Mercer and Rock Island Counties. In Iowa, Cedar, Iowa, Johnson, Muscatine, Scott, Keokuk, Louisa, and Washington Counties. * WHEN...Until 10 PM CDT this evening. * 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 young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Area Description: 
Iowa; Johnson; Cedar; Muscatine; Scott; Keokuk; Washington; Louisa; Rock Island; Mercer
Forcast Office: 
NWS Quad Cities IA IL