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CHICAGO — Mostly cloudy, flurries possible, morning wind chills 0 to -15, afternoon wind chills single digits above and below zero. Winds: WNW 5-10 G20. High: 17.

Decreasing clouds tonight. Winds: WNW 10-15. Low: 4.

Tomorrow:  Mostly sunny, -10 to -20 morning chills, single digit above and below zero afternoon chills, W 5-10. 15