National Weather Service United States Department of Commerce

It's going to be a chilly but dry Thanksgiving, with high temperatures in the mid to upper 30s and northwest winds gusting 20-30 mph. The largest concern over the upcoming weekend is the potential for travel impacts from a winter storm bringing the area accumulating snow on Saturday. Stay tuned for updates on that.
If you're traveling this weekend, be aware that wintry travel impacts appear increasingly likely late Friday night into Saturday due to accumulating snow. Precipitation should be light by Sunday, but some roads may still be snow covered. Check back for later updates, as this system is still a few days away.
The potential for accumulating snow this weekend continues to increase, with a greater than 50% chance for 3" of snow in areas along and north of I-72. Snow is expected to transition to rain during the afternoon or evening on Saturday, but where and when this transition occurs is low confidence and will impact snow totals.
The probability of weekend travel impacts continues to increase, due to the potential for accumulating snow. There is a high chance of at least minor impacts (wintry driving conditions, some snow on roads). Moderate impacts (hazardous driving conditions, accumulated snow on roads) are possible, mainly along and north of I-72. If you are traveling across central or northern Illinois on Saturday, be prepared for snowy conditions.