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.

: Winter storm warnings issued for 8 counties expecting heavy snow Sunday MORE: Up to 10 inches of snow in possible ‘bomb cyclone’ winter storm Winter storm watches have been issued for eight counties in northern New Jersey as the state braces for a weekend storm system that could drop as much as 6 to 10 inches of snow in some areas and create dangerous road conditions across the region