UPDATE 10:48 a.m.:
Snow is still falling in New England, creating near-whiteout conditions in some areas.
Our partner at WGME has a good look at what New England is facing.
Days after getting hit with up to 19 inches of snow, the Northeast is getting hammered again.
Winter storm warnings are in effect from upstate New York to Maine. Some regions, particularly New Hampshire and Maine, could see blizzard conditions and more than two feet of snow.
More than 1,300 U.S. flights were canceled on Sunday, and 6,000 more were delayed, according to FlightAware.com.
Here's a look at the snow from late Sunday.
A terminal was evacuated Sunday evening at Boston's Logan International Airport due to high levels of carbon monoxide. It was believed to be called by a snow-melting machine, and the terminal was reopened a short time later.
The snow is not expected to let up until Monday afternoon, The Boston Globe reports.
It's the complete opposite of last year in terms of snow.
There was a silver lining for some New Englanders. The storm was great news for ski areas, which saw some of the lowest snowfall totals in years in 2016. Shawnee Peak in Bridgton, Maine, is facing up to 26 inches of snow.
I certainly hope all will be granted a 'snow day' pardon. Visitors can feel free to tell their boss Vermont's governor asked them to stay.
Vermont Gov. Phil Scott told visitors to stay an extra day to enjoy the conditions.
The Associated Press contributed to this report.