CHICAGO — Mostly sunny Thursday (morning clouds) with 10% isolated showers and cooler lakeside. Beach hazard statement until 10 a.m. Friday (4-7ft waves and rip currents). Winds: NE 10-15 G20. High: 78/74.

Full forecast details at the WGN Weather Center

Mostly clear tonight. Winds: NNE 5-15 mph. Low: 62.

Friday Forecast: Increasing clouds Friday, afternoon and evening shower chance, cooler lakeside. Winds: E 0-5. High: 79/75.