On Sunday at 4:50 a.m. the National Weather Service issued a winter storm warning valid from 10 a.m. until Monday 1 a.m. for Eastern Montgomery and Lower Bucks as well as Delaware and Philadelphia counties.

: 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

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