Lauren Rosengarden of Mount Prospect, Ill. digs out her driveway on Monday, Feb. 2, 2015, the day after a significant snowfall. (AP photo / Daily Herald, Mark Welsh )

Montana to Maine dealing with sub-zero wind chill

Frigid temperatures descended on the northern tier of the country, and while it’s not the coldest weather of the season, the biting chill followed a powerful snowstorm from the Midwest into the Northeast.