The nor'easter is expected to drop 10 to 20 inches of snow by Tuesday morning from Pennsylvania to Maine.

Spots between Philadelphia and Atlantic City should get a coating to a little more than an inch beginning this afternoon, but any snow that falls might not stick to the pavement.

The trouble began in the East on Sunday as the storm moved out of the Midwest after days of pummeling parts of the U.S.

Due to extreme weather, over 700 US flights on Sunday have been cancelled and more than 4,500 have been delayed as of 4:35 p.m. ET according to flight tracking website FlightAware.

The situation was similar out west at the San Francisco International Airport, where some flights were delayed due to strong winds.

Wintry weather bedevilled Thanksgiving weekend travellers across the United States on Saturday as a powerful and risky storm moved eastward, dumping heavy snow from parts of California to the northern Midwest and inundating other areas with rain.

Over 6,800 flights within, into or out of the USA were delayed on Saturday, with the biggest issues at hubs including Denver, Minneapolis and Chicago's O'Hare International.

And a 48-year-old man died in a separate incident near Sedgewickville, Mo., and a storm-related death was also reported in South Dakota.

Meanwhile, on the West Coast, inclement weather continues as highway authorities are requiring cars to install snow chains on a major interstate.

In Denver, 100 flights were cancelled last Saturday because of high winds. Rain and thunderstorms, some severe, are expected farther south in the Lower Mississippi, Tennessee, and OH valleys.

While the storm will push away from western parts of the state at approximately midnight to 1 a.m. Tuesday and from 2 a.m.to 4 a.m.in eastern sections of New Jersey, intermittent snow showers or periods of light snow might pop up even after the bulk of the system has moved on, Reale said.

As Sunday's storm approached, hardy New Englanders made sure to prepare, even if they weren't really that anxious.

A list of storm closings, delays and parking bans is available here.

Gov. Andrew Cuomo declared a state of emergency Monday for seven counties in eastern NY and assigned 300 National Guard members to assist with snow removal.

Pohl said by the time the storm wraps up later on Tuesday, Portland could see a total of 8 inches of snow.

After overloading on turkey, Black Friday deals and family, Americans headed back to school and work on Monday - but the weather is making the return to normalcy hard for many in parts of the U.S.

Newman, who braved the forecast to take his son to a college basketball game in Hartford, said it took him about five hours to get new tires Saturday because it seemed everyone else was doing the same thing.

"We've been around for quite a while, we think we'll be OK".