Most of the United States is being assailed with extreme winter weather this week as Arctic air blasts south from Canada, snow tracks up the Northeast coast and a potentially crippling winter storm takes aim at the South.

A winter storm warning was issued by the National Weather Service on Monday at 3:53 a.m. valid from Tuesday 6 a.m. until Wednesday 6 a.m. for Choctaw, Washington, Clarke, Wilcox, Monroe, Conecuh, Butler,

The northern Gulf Coast is bracing for a blast of arctic air and a powerful winter storm early next week, bringing dangerously cold temperatures, icy conditions, and snow. The cold air will begin arriving late Sunday,