A winter storm is poised to pummel Texas and the US South later this week, putting the region at risk of blackouts and travel mayhem.

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

As Texas prepared for severe winter weather, Gov. Greg Abbott expressed confidence Wednesday in the state's power grid. Frigid temperatures -- along with snow, sleet and freezing rain -- were expected to make their way into Texas midweek,