CHICAGO — Temperatures in the mid 80s Friday with cooler conditions lakeside. Winds: NNW 5-15 mph. High: 85.

Full forecast details and more at the WGN Weather Center blog

Clear skies tonight with temperatures in upper 50s. Winds: NNE 5-15 mph. Low: 57.

Saturday Forecast: Cooler conditions with temps in low 70s. High: 73. Low: 57.