Air quality problems increase today and tomorrow as steamy, stagnant air leads to higher levels of ozone pollution.

Chicago faces another scorcher on the Fourth of July, with 95-degree heat, an ongoing warm streak, and evening fireworks expected to proceed under mostly dry skies.

The Independence Day holiday will open with fairly extensive cloud cover and chances for showers, but expect skies to clear ...

Police say four people have died and 14 others were hospitalized following a drive-by shooting in Chicago. Authorities said ...

An air quality alert was issued Thursday by the National Weather Service for the entire Chicago area through Friday night.