As the cold front moved southward Tuesday, it prompted a cold weather advisory for the Gulf Coast and pushed temperatures below freezing in El Paso, Texas.

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and

A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies in its frigid grip, making many roads treacherous,