NEW : Snow - laden trees and limbs threaten power lines . NEW : Winter storm warnings remain in effect for parts of Trenton , New Jersey . Up to 16 inches of snow possible in some parts of the Northeast . Low temperatures will continue through February , CNN meteorologist says .
NEW : Snow-laden trees and limbs threaten power lines . NEW : Winter storm warnings remain in effect for parts of Pennsylvania , New York . Up to 16 inches of snow possible in some parts of the Northeast . Low temperatures will continue through Wednesday , CNN meteorologist says .