Snowfall forecasts have increased for a winter storm expected to blanket New Jersey with widespread areas of 4 to 8 inches of snow. Winter storm warning areas were expanded early Sunday and a state of emergency is in effect. National Weather Service and AccuWeather

The entire Delaware Valley will see snow Sunday, with 3-6 inches expected in Philadelphia. On Monday and Tuesday, temps plummet into the teens and single digits.

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