A developing winter storm is threatening to drop snow, sleet and freezing rain on parts of Texas, Oklahoma and Arkansas.

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.

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.