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Scorching Heat Wave Grips Chicago Through Wednesday
1 Sep
Summary
- Heat advisory issued for Chicago and surrounding Illinois counties.
- Heat index values could reach 100 to 105 degrees on Wednesday.
- Rain expected Thursday to bring relief from the heat.

A Heat Advisory is currently in effect for Chicago and several surrounding Illinois and Indiana counties. This advisory will remain active from Monday afternoon through Wednesday night. Dangerous heat conditions are anticipated, with the National Weather Service recommending that residents consider postponing outdoor activities during the hottest parts of the day.
Heat and humidity are expected to build significantly through Wednesday. The heat index could reach values between 95 and 100 degrees, particularly along the I-80 corridor. Wednesday is forecast to be the peak of this heat wave, with the heat index possibly making it feel as hot as 100 to 105 degrees.
Relief from the oppressive heat is expected to arrive starting Thursday. Rain is predicted to help break the heat as the region heads into the weekend, offering cooler temperatures.