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 National Weather Service says heavy snowfall and icy conditions are likely Friday in Mississippi,

Fayette County Public Schools’ spokesperson Dia Davidson Smith said a decision on whether in-person classes will be canceled Tuesday will be made by 5 p.m. Monday.

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 in north Texas and Oklahoma,