Saturday: Mostly cloudy, scattered showers and thunderstorms. S 10-15 mph. Air quality moderate around our region. High: 89, cooler by the lake in the low 80s.
Tonight: Partly cloudy, isolated showers, thunderstorms. W 5-10 mph. Low: 70
Sunday: Partly cloudy in the morning, decreasing clouds. Breezy N wind 10-20 mph. High swimming hazard. High: 84, upper 70s by the lake
Full forecast details and extended outlook at the WGN Weather Center blog
Extended outlook calls for more hot weather getting into much of next week. Highs getting close to 90 with muggy conditions and periodic afternoon thunderstorms.