Heavy snow is expected on Sunday in the Northeast before the coldest air in several years descends across much of the country starting on Monday, forecasters warned.

The updated forecast on timing and track of the storm calls for the snow to end from southwest to northeast as midnight approaches. “The heaviest precipitation looks to occur between roughly 4 and 9 p.m. during which time snowfall rates could reach or exceed 1 inch per hour,” the National Weather Service said.

A winter storm warning has been issued for New York, New Jersey and Connecticut as the entire region could get blanketed in snow.

A fast-moving winter storm will sweep across the US Northeast on Sunday, snarling travel and creating frigid windchills that linger into the work week.

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

A powerful winter storm barreling toward the Northeast from the south that is likely to be the biggest snowstorm in years for many location will be followed by a dramatic drop in temperatures. Here's the latest as of Sunday morning,

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.