Around 20 million people are under winter weather alerts across parts of the Mid-Atlantic and New England, including Philadelphia and Burlington, Vermont.

One of the most iconic parts of the holiday season in New York City is the variety of holiday markets across the five boroughs. Whether you are looking to do some final shopping, catch the holiday vibes in the city or grab some delicious bites,

It need not snow Dec. 25 to fit the Weather Service's definition of a white Christmas: There just needs to be at least one inch of snow on the ground. A trace amount of snow also does not count. On average, about 38% of the Lower 48 has an inch of snow on the ground on Christmas Day, according to 21 years of data compiled by NOAA.