Scientists are analyzing data collected by weather balloons launched around Chicago this summer to better understand extreme ...

CHICAGO - The Chicago area can expect a chance of rain overnight Saturday, with temperatures dipping into the 60s. Sunday is ...

CHICAGO - Chicago is gearing up for what might be the last 90-degree day of the year. The record temperature for Sept. 21 in ...

The first day of fall has brought some much-needed rain to Chicago. Temperatures will be cooler today with highs in the low ...

Tomorrow will be sunny with highs near 90 degrees. There is a chance for storms Saturday night through Monday night. This is ...

The Chicago area will get its first substantial rainfall in recent memory on Sunday as a cold front pushes through the region ...

Saturday will be another warm day, with highs in the upper 80s under partly cloudy skies. While a few stray showers or storms ...

From weather-related signs to the return of football, readers share what signals the start of fall in Chicago. And we also ...

As fall approaches, the Chicago area stays summer-like with dry conditions and warm, above-average temperatures for another ...

Chicago is bracing for a stormy week with thunderstorms, possible high winds, and warnings of high swim risk by Lake Michigan ...

Chicago gears up for what could be the last 90-degree day of the season Saturday. Temperatures will cool down to the 70s for the next week with a good chance of rain Sunday through Tuesday.

Temperatures in Chicago dropped slightly Tuesday afternoon thanks to a more persistent northeast wind off the lake, but ...