CHICAGO — Cloudy Thursday with isolated showers off the lake. Winds: N 5-10 G15. High swim risk until 10 p.m. High: 71.

Mostly cloudy tonight with isolated showers. Winds: N 5-10. Low: 60.

Friday Forecast: Mostly cloudy with a 30 percent chance of lake effect showers. Winds: NNE 5-10. High: 71.

Full forecast details and more at the WGN Weather Center blog