Snow and blowing snow is likely through the mid-morning with strong northerly and northwesterly winds creating near blizzard conditions.
A quiet weather pattern is on tap for the week ahead, as temperatures steadily climb back above average with highs in the low 50s.
The storm is moving rather quickly - by Sunday afternoon and evening it will move into Kansas City, and eventually into northern IL and southern Wisconsin.
A winter storm moving through the Midwest Sunday is causing travel problems across southern Iowa where areas have reported more than ten inches of snow has already fallen. A total of between 7 inches to a foot of snow is projected to accumulate in the county, according to the service. Heavy snow will blanket parts of southeast Nebraska, northeast Kansas, southern Iowa, northern Missouri, and northwest IL, with some seeing 10 inches or more.
ABC News Snow will still be falling in Chicago and all of Michigan by the Monday morning commute
Areas northwest of Interstate 55 in the northern part of IL have the greatest potential for significant accumulation, possibly 4 inches or more, according to the weather service. A strong winter storm is developing across the Central Plains.
The National Weather Services advises drivers to keep food, water and a flashlight in their vehicles if travel is necessary. Stephenson, Carroll, Jo Daviess, and Whiteside counties are also under a Winter Storm Warning from 3 a.m. Sunday to 12 a.m. midnight Monday. Snowfall rates in excess of 1 inch per hour will be possible. But that is set to change later in the day, when the storm reaches the Chicago area.
The heavy snow will likely end by 4 a.m. but light snow could continue through 8 a.m., Donofrio said. Additionally, wind gusts are expected to hit 50 miles per hour. He said rain will give way to heavy snowfall and "near whiteout conditions" that will make for unsafe travel.
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