A polar vortex is slated to sweep most of the continental United States bringing a hazardous freeze to millions of Americans from the Deep South to the Northeast Saturday going into next week.

The snow is likely to fall on Sunday from the Appalachians to New England. New York City may see its largest snowfall in years.

The Arctic blast that is hitting the U.S. will sweep through parts of Texas with one forecaster predicting large snowfalls, and a map by Newsweek shows the hardest hit areas. A forecast shows "significant snow" across the southeast of the Lone Star State in the coming days,

The bread, milk and eggs could be flying off the shelves at Market Basket this weekend. Local meteorologists are predicting “plowable snowfall” from Sunday night into Monday morning, as a nor’easter is expected to dump 3 to 6 inches of snow across the region.