Arctic blast returns as weekend snow threat grows in Philadelphia and New Jersey

Philadelphia is bracing for another round of bitter cold as Arctic air settles over the region this week, with the potential for weekend snow returning to the I-95 corridor. Temperatures have already dropped sharply, and forecasters warn that even colder air will move in again by Saturday and Sunday.

Warming centers open in Camden County

Friday was the coldest day of the season so far. Camden County, New Jersey, opened warming centers and is offering social service for those stuck in the cold.