A major cold blast is stretching across the country with 18 states from Montana to NY feeling unsafe wind chills.
The National Weather Service office in Grand Rapids has extended the Winter Weather Advisory until 7:00 AM tomorrow morning for much of the FOX 17 viewing area.
The National Weather Service urges drivers to be prepared for reduced visibility at times.
On Sunday night there's a 30 percent chance of snow after 11 p.m., with increasing clouds, and a low around minus 1 with wind chill values as low as minus 15.
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.
The polar air is set to continue Wednesday morning with wind chills approaching minus-10 degrees in Chicago and near zero in Boston.
Wednesday, it will be mostly sunny with a high near 19, the weather service said. A north northeast wind will be 3 to 7 miles per hour. Strong winds are predicted for Massachusetts, Connecticut and Rhode Island with gusts up to 65 miles per hour (105 kph).
An active weather pattern will remain in place through next week with frequent disturbances causing a few inches of snow from time to time. The wind chill will be between minus 8 and 2, with an east wind of 3 to 7 miles per hour.
Temperatures will moderate somewhat on Thursday and Friday, but highs will still only be in the teens to around 20°.