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CHICAGO — Increasing clouds Thursday with cooler conditions. Winds: ESE 5-10 mph G15. High Temps: 78/74.

Mainly cloudy tonight. Winds: SSE 5-10 mph. Low Temps: 61.

Full forecast details and more at the WGN Weather Center blog

Friday Forecast: Mostly cloudy Friday with scattered showers. Winds: S 5-15 mph. High Temps: 76.