CHICAGO — Sunny start Tuesday, but increasing clouds and chance of showers. Winds: E 5-10 mph. Air quality in the Good category for Chicagoland and most of the Midwest. High: 67, a bit cooler by the lake. 

Mostly cloudy tonight. showers likely especially after midnight. Winds: E 5-10 mph. Low: 53.

Full forecast details and more at the WGN Weather Center blog

Wednesday Forecast: Rain at times and cooler Wednesday. Chance of isolated thunderstorms. Winds: SE 10-15 mph. High: 65.

Extended outlook calls for a mostly dry day on Thursday with a big warm up with highs in the low 80s. Warmth continues into Friday with rain at times along with a severe weather potential. Cooler on Saturday with a chance of showers with highs near the seasonal norms in the low 70s.