East Coast may get a warm Christmas, California braces for flooding

Along the East Coast, residents are waking up to the coldest morning of the winter so far.

Along the East Coast, residents are waking up to the coldest morning of the winter so far.

The wind chill -- or what temperature it feels like -- plunged to 16 degrees in New York City, 7 in Boston, 17 in Philadelphia and 24 in Raleigh, North Carolina.

The Northeast will stay cold through Tuesday morning, with temperatures 5 to 10 degrees below normal, before the region warms up for the rest of the week.

Some models predict Christmas Day temperatures reaching 52 degrees in Chicago, 60 in Washington, D.C., and 51 in New York City.