A winter storm moving through the Chicago area Friday morning could create a slick commute.
Overnight freezing rain and icy conditions caused spinouts and crashes across the area Chicago area on Tuesday.
A Winter Weather Advisory is in the forecast Monday and Tuesday for possible slick roads, as the Chicago area tries to warm up after a cold snap.
The fog is from a low pressure system that "provides a tug of war between winter and spring" across the area, the weather service said.
Snow squall warnings were issued as a fast-moving system brought a burst of heavy snow to the Chicago area Friday evening.
Another winter storm made roads a slippery, treacherous mess during Thursday evening's commute.