National Weather Service United States Department of Commerce

A cold front will bring a chance of light snow generally under an inch this afternoon through tonight, followed by much colder weather the next few days. Highs should reach the lower to mid 30s this afternoon, then temperatures will plummet to single digits to a few degrees below zero north of I-70. Wind chills will be below zero north of I-70 and around 5 south of I-70. Highs will range from mid teens to mid 20s Thursday, then more single digit to below zero lows are expected Thursday night north of I-70. Highs should range from upper 20s to mid 30s Friday through the weekend. There is another chance for snow over the weekend.
Very cold weather will arrive in central IL tonight, lasting through Thursday night. Wind chill temperatures will range from zero to as low as 15 below zero north of I-70 both nights, with actual temperatures in the single digits to a few degrees below zero. Limit exposure to outdoor temperatures, and bring pets inside. If you venture outdoors, wear multiple layers, including hat and gloves.