CHICAGO — Partly sunny Monday with cooler conditions lakeside. Winds: NE 5-10. High: 67/58.

Mostly cloudy tonight with a chance for showers south. Low: 51.

Tuesday Forecast: Mostly cloudy, temp drop late day. (pneumonia front possible). Winds: W 5-15 G20. High: 80.

Full forecast details and more at the WGN Weather Center blog