The Chicago Fire Department responded to about 90 calls between the extreme heat and people in distress in the water, ...

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds ...

The heat index reached 106 Saturday and an extreme heat warning is in effect until Monday, according to the National Weather ...

Chicagoans can expect intense heat compounded by muggy humidity for the next several days. The National Weather Service has ...

People experiencing homelessness are particularly vulnerable to the health ramifications of extreme heat, which is worsening ...

Fourth of July is less than two weeks away. Will the heat wave be over by then? Here's the forecast for Illinois.

Edward Boyle, lab technician, and Sophie Gomez, founder, pose for a portrait at Constant Agitation Film Lab, 3501 W. Armitage ...

Scorching temperatures and high humidity are a bad combo, especially when that's the forecast for three days in a row, making ...

A Midwest heat dome is driving high temperatures and high humidity that will push the Chicago heat index into the triple ...

Chicago is in store for more “dangerously hot and humid conditions” Sunday, with temperatures expected to climb well into the ...

Relief from the extreme heat facing the Chicago area remains several days away as advisories and warnings remain in effect.

Saturday set a new highest minimum temperature for June 21 in Chicago. Humidity levels are making it feel well over 100 ...