A heat advisory will be in effect from noon to 8 p.m. Monday. Heat indexes will range from 100 to 104 degrees.

Illinois' number one music festival is set to take over Chicago's Grant Park this weekend, with Lollapalooza's star-studded lineup drawing crowds in the hundreds of thousands. The festival is only ...

Today: A chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 91. Southwest wind 6 to 10 mph. Chance of precipitation is 30%. Tonight: A chance of showers and thunderstorms ...