Bitter cold is expected for much of the Northeast and Midwest during the few remaining days of 2017, according to Chicago-area National Weather Service meteorologist Amy Seeley.
Temperatures hovered around zero degrees in Chicago on Tuesday.
Meteorologists are warning of sub-zero frigid arctic air and dangerously cold wind chills.
Wind-chill advisories or warnings are in effect for all of North Dakota and Wisconsin, as well as swaths of South Dakota, Minnesota, Iowa, Michigan and Indiana.
Wind-chill advisories are also in effect for parts of Maine, Vermont, New Hampshire and New York.
Frostbite is possible with as little as 30 minutes of exposure.