By Mary Kay Kleist

CHICAGO (CBS) — A combination of weather factors will keep the Winter Weather Advisory in effect through Wednesday evening.

(Credit: CBS)

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According to CBS 2 meteorologist Mary Kay Kleist, strong westerly winds + arctic air + snow showers/flurries = reduced visibility for Wednesday. For that reason, the Winter Weather Advisory & Wind Advisory stays in effect until 6:00 p.m.

(Credit: CBS)

It won’t be as windy overnight.  A reinforcing shot of cold air Thursday could squeeze out a few flurries. The coldest timeframe will be Friday morning with wind chills to -20 in outlying areas.

(Credit: CBS)

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Temperatures moderate this weekend. Saturday will feature a light wintry mix with highs in the mid 30s. Another cold air mass rushes in during the day Sunday with falling temperatures.

(Credit: CBS)

TONIGHT: Flurries before midnight. Steady temps around 12 degrees.

THURSDAY: Mostly cloudy. Few flurries. Chilly wind. High 14. Wind chills to -7.

FRIDAY: Mostly sunny. High 16.

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(Credit: CBS)

Mary Kay Kleist