National Weather Service United States Department of Commerce

Light snow and patchy freezing drizzle are possible as a front progresses from northwest to southeast across the state this afternoon and evening. This could lead to slick spots during the Wednesday evening commute. New snow accumulations will generally be less than a half inch.
A cold front will bring a chance for light snow and patchy freezing drizzle this evening. Bitter cold temperatures arrive tonight and persist through Thursday night. Temperatures moderate a bit Friday into the weekend, but remain below normal. A chance (20-30%) for snow returns on Sunday.
By early December standards, an extremely cold airmass will arrive tonight and persists through Thursday night. The cold may set temperature records in some locations north of I-70. Lows north of I-70 will range from 5 below zero to 10 above zero, with wind chills as cold as 15 below zero. If you have to venture out, be sure to wear appropriate layers.