Another blast of winter storms is closing schools, snarling flights and putting millions of residents on alert across parts of the Deep South and south-central U.S. The storm started dumping a mix of sleet and heavy snow Thursday morning in north Texas and Oklahoma,

With the possibility of frozen precipitation in southwest Arkansas, area schools and government offices may announce closures as a measure of caution and to limit the amount of traffic on potentially icy roadways.

The Boston 25 Weather team continues to keep an eye on a winter storm system that could bring snow to Massachusetts on Saturday.