A powerful winter storm barreling toward the Northeast from the south that is likely to be the biggest snowstorm in years for many location will be followed by a dramatic drop in temperatures. Here's the latest as of Sunday morning,

New Jersey Gov. Phil Murphy declared a state emergency for all 21 counties in the Garden State. A winter storm warning was in effect for 10 counties in the northern part of the state, where 6 to 8 inches (15 to 20 centimeters) of snow is expected to fall from Sunday afternoon through the late evening.

New York, New Jersey and Connecticut are bracing for snow, and officials across the Tri-State Area are warning residents to be prepared.

An updated winter storm warning was issued by the National Weather Service on Sunday at 9:18 p.m. in effect until Monday at 1 a.m. for Sussex, Warren, Morris, Hunterdon, Somerset and Mercer counties.