Forecasters warn of 100- to 105-degree heat index values through Tuesday, with potential storms offering limited relief.

The Chicago-area will finally see a drop from sweltering temperatures on Wednesday, but not without a threat of severe weather.

Extreme heat is expected to hit the Chicago area again this week, and some felt the sweltering, humid temperatures on Sunday ...

Chicagoans are stepping up to help one another during another heat wave in the city. The temperature reached 94 degrees ...

CHICAGO - Today, temperatures are in the 80s and 90s with heat index values in the upper 90s to about 105. Fox 32 ...

Because of the heat wave, 1995 will go down as an important year in Chicago history and to a certain extent in American medical history as well. It was then that we learned that in the summertime, the ...

Severe thunderstorms could continue into July 29, bringing havoc to morning commutes in Chicago, Milwaukee and Indianapolis.

Rush University Medical Center's AC system failed, leading to surgery cancellations and diversion of ambulances.