CHICAGO — Mainly cloudy Friday with a slight shower chance. Winds: SSW 15-20 G30. High: 57.

Mostly cloudy tonight with slight shower chance. Winds: N 5-10. Low: 41.

Saturday Forecast: Mostly cloudy, AM iso shower, decreasing clouds, N 5-10 G15. High: 56.

Full forecast details and more at the WGN Weather Center blog