At least nine people were killed during last week's storm which battered the same region.
More than 800,000 customers were without power in the Northeast, including some who have been without electricity since last Friday's destructive nor'easter. Downed power lines have also sparked fires in several areas. That would mean more trouble for the Northeast. Schools throughout New England, including Boston Public Schools, were shut in advance of the latest blizzard as the National Weather Service forecast white-out conditions.
"It's kind of bad", said New York University student Alessa Raiford, who put two layers of clothing on a pug named Jengo before taking him for a walk in slushy, sloppy Manhattan, where rain gave way to wet snow in the afternoon.
Coastal flooding is also a concern in the region, with a warning in effect for eastern MA, the weather service said.
Cities braced themselves for the storm, after a nor'easter last week ripped through the coast.
When it comes to snowfall, NY should breathe a sigh of relief.
Thundersnow - when thunder and lightning occur during a snowstorm - was even reported in New York City, New Jersey and CT. Accumulated snow and winds up to 60mph are expected to knock down more power lines.
Pennsylvania utility companies say more than 110,000 customers are without power following the state's second major snowstorm in less than a week.
Snowfall rates reached as much as 2 inches per hour with wind gusts up to 30 mph. While a far cry from the 90-mph gusts recorded over the weekend, the strong winds could impede efforts to restore power in the region. Many schools and businesses remained closed Thursday or were holding delayed openings.
In Pennsylvania, Philadelphia was forecast to get between 6 to 8 inches Wednesday, according to the National Weather Service. School districts and government offices from DE northward closed, and the governors of New Jersey and Pennsylvania declared states of emergency.
And now, parts of Pennsylvania could receive between eight and 12 inches of snow this week; parts of NY can anticipate seven to 11 inches of snow; and parts of MA should prepare for as many as 15 inches of snow.
Gov. Andrew Cuomo deployed 400 National Guard troops to conduct wellness checks and assist with storm recovery.
A band of winter weather will "pivot northeast into Boston" later Thursday morning and early afternoon, forecasters said, possibly leaving up to another inch of snow.
Are you ready for yet another big coastal storm? A New Jersey middle school teacher was struck by lightning but survived.
Amtrak restored modified service between New York City and Boston on Thursday after suspending it because of the storm.
The Republican is also asking residents to stay off the roads if possible. New York City's Metro-North commuter railroad suspended service on lines connecting the city to its northern suburbs and CT because of downed trees, and the Long Island Rail Road also was experiencing delays.