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.

Temperatures across the Houston area dipped just below freezing again on Tuesday morning—a sign that the wintry weather conditions are here to stay. And as the freezing temps continue to blast Texas,

A major winter storm is causing disruptions in the southern US, with ice, snow, and freezing winds leading to downed trees. Temperatures in Dallas dropped to 16°F, and the storm will bring snow and ice to Texas,