As much as a half-foot of snow possible in portions of the Chicago area at week’s end

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After the brutal cold the Chicago area could once again see another weekend with another snow storm.

Snow is expected to spread over northern Illinois and the Chicago area later Friday into Saturday. There could be a period of freezing rain or a wintry mix, especially south of Interstate-80.

An accumulating snow will fall over the area later Friday with heaviest totals over 4-inches likely north of Interstate-80 into Wisconsin.

Early Saturday, the wintry mix could come into play and strong northerly winds will pull much colder air into the Chicago area.  An additional accumulating snow is likely in most areas beginning mid to late morning Saturday.

Snow should taper off Saturday night with lake-effect snow likely around the south end of Lake Michigan Sunday.

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The National Weather Prediction center has issued a map depicting areas of expected snowfall in excess of 4-inches between 6 p.m. Friday and 6 p.m. Saturday. Note on this headlined map above, a good portion of the Chicago area north of Interstate-80 falls in the 10 to 40% chance area. High probabilities in excess of 70% are in Wisconsin and Lower Michigan.

Updates and full forecast at Chicago Weather Center.