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 ...

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

For several days, the Chicago area has been gripped by scorching temperatures and suffocating humidity, but is relief finally ...

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

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

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

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

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

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

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

As Chicago faced its first heat wave of the summer season, animals at the Lincoln Park Zoo beat the heat with some cool ...