CHICAGO — Mainly cloudy Thursday with rain showers and cooler lakeside. Winds: E 5-10 G150. High: 76/73.

Mainly cloudy tonight with a chance for showers. Winds: E 5-10. Low: 63.

Friday Forecast: Partly cloudy, 20 percent chance of rain, cooler lakeside. Winds: SE 5-10 G15. High: 80/74.

Full forecast details and more at the WGN Weather Center blog