Frigid temperatures engulfed the South on Monday ahead of a winter storm that's expected to spread heavy snow and disruptive ice around a region from Texas to north Florida that rarely sees such weather,

Southeast Texas is bracing for Winter Storm Enzo, prompting airport closures in Houston and widespread travel disruptions.

Around 40 million people in the U.S. are under a winter storm warning from an unusual blast of severe winter weather.

Snow is likely to fall across South Texas tonight into Tuesday. North Texas will remain mainly dry and quite cold.