Dangerous below-freezing temperatures with even colder wind chills were also expected to last over much of the week in the region. Authorities say three people have died in the cold weather.

A rare winter storm charging through Texas and the northern Gulf Coast on Tuesday has closed highways and airports and prompted the first blizzard warning for southeast Texas and southwest Louisiana.

A major winter storm that slammed Texas and the northern Gulf Coast is spreading heavy snow, sleet and freezing rain across parts of the Florida panhandle and eastern Carolinas.