Another blast of winter storms on Thursday closed schools, snarled flights and put millions of residents on alert across parts of the U.S. South as snow and freezing rain caused dangerous travel conditions.

A major winter storm is expected to be the biggest in years as cold air moves in from the Arctic bringing snow and frigid temperatures across 20 Southern States.

Winter weather will bring snow and cold temperatures to 13 Southern states this weekend as a winter storm moves across the U.S. Millions of people are preparing for dangerous winter weather as a storm takes hold over much of the Southern and Central U.