Northeastern Maryland, northern Delaware, southeastern Pennsylvania and southern New Jersey will not be as severely impacted, with a winter storm warning only in effect until 1 p.m. Eastern.
In New York City, Southern Connecticut, the Lower Hudson Valley and Northeastern New Jersey, a winter storm warning is in effect until 6 p.m. Eastern on Thursday. Wind speeds in those areas will be up to 25 miles per hour, with gusts as high as 35 miles per hour. At peak parts of the storm, visibility is expected to be under a quarter of a mile.
For cities farther north, including Boston, the warning is in effect until 8 p.m. Eastern.
The I-95 corridor will be particularly messy, with bus, train and plane delays. AirLive's Twitter account, which tracks airspace and associated services, posted on Thursday morning that 2,800 flights had already been cancelled due to the blizzard.
Meanwhile, social media has become a flurry of photos and videos of Niko setting in across the Northeast.
Wreaking havoc on transportation? Yes. Providing the perfect conditions for Instagram? Even more yes.