Heavy snow is expected to move into the area after midnight, and continue through early Saturday morning.
Snow amounts will vary because of the changeover in precipitation. 5-7" is expected along and west of the Illinois River, with 3-5" of snow expected to the east.
Snow will mix with freezing rain and sleet at times during the overnight hours, especially along and east of the Illinois River. The highest amounts of ice are forecasted to be along the Interstate 55 corridor, where some areas could see up to 0.25" of ice.
The heaviest precipitation will wrap up across the area by midday. Snow will completely move out by late afternoon.
The Winter Storm Warning expires at 6pm Saturday
Copyright 2015 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.