Blizzard and winter weather warnings remain in effect through Monday night in the Philadelphia region as a nor'easter dumps snow across the Delaware Valley.

New York is experiencing one of the coldest stretches of the winter, with dangerously low temperatures and brutal wind chills expected through Sunday. See the latest.

A state of emergency covers 20 New York counties as whiteout conditions and dangerous travel are expected through Monday evening.

According to the National Weather Service's 4 p.m. briefing, the projected snow totals for Delaware have dropped. The First State is expected to receive 12 to 18 inches of snow. The heaviest snow will start falling Sunday evening,