National Weather Service United States Department of Commerce

It's going to be a cool and breezy Thanksgiving day with high temperatures only in the mid to upper 30s. The weather turns unsettled heading into the weekend as a winter storm brings accumulating snow beginning late Friday night and continuing through Saturday night.
A Winter Storm Watch has been issued for most of central IL from Friday night through Saturday night where there is high confidence for impactful snow.
Traveling for the Thanksgiving holiday? Here is an approximate timeline of impacts with the impending winter storm.
Here are the snow probabilities for 4 inches and 6 inches through Saturday night.