A major winter storm is expected to move out of the Texas panhandle northeast Monday with a variety of Blizzard and Winter Storm Warnings (orange and light pink areas on map below) for 6 to 12-inches of blowing and drifting snow across portions of Colorado, Kansas and Oklahoma later Sunday into Monday and Winter Storm Watches already up for parts of Missouri, west-central Illinois, northern Indiana and most of Lower Michigan for later Monday through Tuesday.
In general 3 to 7 inches of snow is expected to fall Tuesday across northern Illinois and northwest Indiana into lower Michigan - early Tuesday sleet and patches of freezing rain could create glaze and slick conditions south of Interstate-80 before precipitation changes over to all snow later in the day.
The National Weather Service snowfall outlooks for 6pm Monday to 6pm Tuesday (second map) and 6pm Tuesday to 6pm Wednesday (third map) has Chicago in the 40% probability area for at least 4 inches of snow (green-outlined area on second and third maps below) for each of the two 24-hour periods.
