A new winter storm will bring snow, freezing rain and frigid temperatures to parts of Texas and the mid-south later this week after Winter Storm Blair dropped up to a foot of snow on portions of the midwest and the mid-Atlantic, forcing federal offices to close for the second day Tuesday.

NORFOLK, Va. (AP) — A developing winter storm threatens to drop snow, sleet and freezing rain on parts of Texas, Oklahoma and Arkansas as frigid air that escaped the Arctic plunges temperatures to subfreezing levels in some of the southernmost points of the U.S.

Thursday to Saturday will have another dangerous winter situation in the southern U.S. Here's a timeline on where and when you have to be at a certain location to avoid the danger.