A holiday tradition continues Tuesday night as thousands are expected to attend Christmas Eve mass at St. Patrick's Cathedral in Midtown.

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

Keep dreaming about that white Christmas, New York. The Big Apple was blanketed in a light layer of snow Tuesday morning, marking the first time in more than two decades there has been snow on Christmas Eve — but it won’t last.