A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

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,