Heavy snow is expected to blanket large portions of the Eastern U.S. while much of the country will endure dangerously cold temperatures in the coming days

The National Weather Service issued a winter storm warning at 9:21 a.m. on Sunday in effect until Monday at 9 a.m. for Westmoreland Ridges and Fayette Ridges.

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