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 ...

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

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

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.

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

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

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

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

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