There is a Wind Chill Advisory in effect from February 23, 12:00 AM EST until February 23, 10:00 AM EST.
Tonight’s weather story from the National Weather Service:
Dangerously cold wind chills
(February 22, 2015) – Dangerously cold air will infiltrate the area tonight, with low temperatures ranging from -11 to 3 degrees. Overnight and Monday morning, wind chills will range from -22 to -7, coldest in the southwest. Highs on Monday will only reach into the single digits above zero. Otherwise, expect decreasing cloud cover and diminishing snow showers through the evening.
On Monday, snow showers will be confined to areas near Lake Michigan.