The snow is expected to begin after 8 p.m. Sunday and continuing through Monday, with moderate snow at times during the morning.
Around three to six inches of snow are expected on the ground in most of the Chicago area by 3 p.m. Monday.
The Chicago Department of Streets and Sanitation said their fleet of snow plows will focus on salting and on plowing arterial routes. Once those are clear, plows will work on clearing neighborhood streets.
IDOT said their full fleet of trucks were out on Sunday night preparing for the morning commute.
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The snow then tapers off until 9 p.m., with a band of lake effect snow potentially adding another one to five inches of snow in some areas Tuesday.
Parts in northern Cook, County (Ill.) and DuPage counties could see six to eight inches of snow, with other areas seeing four to six inches of snow.
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