Chicago, Illinois

Cloudy...colder. Lows in the lower 20s... except in the mid 20s downtown. Northwest winds 10 to 15 mph.

Partly sunny in the morning then clearing. Much colder. Highs in the lower 20s. Northwest winds 10 to 15 mph.

Clear. Lows 6 to 10 above...except 12 to 16 downtown. West winds 10 to 15 mph.

Mostly sunny. Highs in the mid 20s. Light and variable winds.

Mostly clear. Lows 17 to 21...except in the lower 20s downtown. Light and variable winds.

Partly cloudy. Highs in the lower 30s.

Partly cloudy. Lows in the mid 20s.

Mostly cloudy. Highs in the upper 20s.

Mostly cloudy with a 20 percent chance of snow. Lows around 20.

Mostly cloudy with a 30 percent chance of snow. Highs in the mid 20s.

Mostly cloudy. Lows 17 to 21. Highs in the mid 20s.

Partly cloudy. Lows 12 to 16. Highs in the mid 20s.