Snow was falling in the Mid-Atlantic and New York City on Sunday. The coldest air in several years will descend across much of the country starting Monday, forecasters said.

Residents across the country from the Northern Plains to the tip of Maine are bracing for dangerously low temperatures as residents along the East Coast contend with a thick blanket of snow — and more

CBS News New York's Derick Waller has more on the storm's impact in New Jersey and Lori Bordonaro recaps what happened in New York City.

Snow is starting to taper off Sunday evening as a winter storm brought the Lehigh Valley its biggest snowfall of the winter so far before temperatures become dangerously cold. As of 8 p.m., light snow continued to fall across the region,

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

A winter storm is expected to reach Massachusetts Sunday afternoon and dump up to 8 in. of snow in most of the state, according to the National Weather Service. The storm is predicted to spread across the region between 3 p.

The heaviest snow was expected to fall in New Jersey between 4 and 9 p.m. Sunday, with totals of up to 8 inches.

Storm Demi is forecast to bring snow to some of the nation’s largest cities, including Washington D.C., New York, and Boston, on Sunday. The winter storm will also usher in cold temperatures in its wake.