Most accumualtions of snow will be light, an inch or less, but there will be an opportunity for a little more west of Intersate 81 (pink).
A high wind watch will be in effect for Cape Cod and the Islands late Wednesday afternoon and evening, where brief gusts could reach between 50 and 60 miles per hour. The centers will remain open until Thursday morning.
The National Weather Service in Des Moines, Iowa, warned that "this is the coldest air many of us will have ever experienced".
Most state government offices in the Lower Peninsula were closed Monday morning except for offices handling critical functions.
Alabama Gov. Kay Ivey declared a state of emergency for all of her state's counties Monday, well in advance of the brunt of the storm. The sudden disruption in the polar vortex also seems to have upset IMD's forecast of a warm winter this season.
In Indiana, a Wind Chill Watch goes into effect Tuesday night and lasts through Thursday.
A midweek storm will bring snow and rain to MA before Arctic air moves in from the midwest and takes hold of the region.
But Monday's snow is just a precursor to what's in store for IL starting Tuesday. Tomorrow's wind chill could make it feel as cold 50 degrees below, and could be the second coldest day in Chicago history.
Some forecasts Monday were calling for temperatures to drop to minus-29 in Chicago, two degrees below its lowest temperature on record, set on January 20, 1985. A few snow showers are possible, but right now, it doesn't look like anything too concerning. Actual air temperatures will be -10 to -20 degrees with wind chills near -45 degrees for some parts of the area. Heavy snow and gusting winds created blizzard-like conditions Monday across the Upper Midwest, prompting officials to close hundreds of schools, courthouses and businesses, and ground air travel.
In Wisconsin, plow drivers were having a hard time keeping up with the snow in Sheboygan.
Forecasters say arctic cold will follow the snow.
"Not only is brutal cold invading the central parts of the country, accumulating snow and freezing roadways all the way into the deep south could make travel risky", the NWS said. Scores of schools, businesses and government agencies announced closures in multiple states.
A winter storm pushing across the Upper Midwest is expected to dump more than a foot of snow in parts of Minnesota and Wisconsin.
On Tuesday night, widespread lows of minus 30 will grip much of North Dakota, eastern South Dakota and Minnesota.
Parts of north and central Georgia may see 5 cm or more of snow in the coming days, along with freezing rain and ice-slicked highways.
A state of emergency has been declared in Wisconsin as the snow moved off and was replaced by the Arctic air which moved into the state. The county's courts and nonessential services will be closed Monday.
In Fargo, North Dakota, where the temperature dropped to minus 24F (minus 31C), Dan Hallock, an advertising executive, marveled that people were still working outside as he bought coffee.