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,

Most of the United States is being assailed with extreme winter weather this week as Arctic air blasts south from Canada, snow tracks up the Northeast coast and a potentially crippling winter storm takes aim at the South.

An already active winter is about to shift into overdrive as a trio of storms over the weekend and into next week deliver snow to the Midwest, East and possibly as far south as the Gulf Coast.

On Saturday at 2:57 p.m. the National Weather Service issued a winter storm warning valid from Sunday 1 p.m. until Monday 4 a.m. for Passaic, Bergen, Essex and Union counties.

A storm on Sunday night is expected to bring up to ten inches of snow to parts of Massachusetts by Monday morning. The following towns and cities have issued snow emergencies and parking bans in anticipation of the snowfall.

The National Weather Service issued a winter storm warning at 9:39 a.m. on Sunday in effect until 8 p.m. for Somerset County.