Facing frigid wind chill values of 12 to 20 degrees across the region, Houston and much of Southeast Texas are under a cold weather advisory until 6 p.m. Tuesday, the National Weather Service said. Given that the coldest temperatures of this Texas freeze are expected before dawn on Wednesday,

Snow totals will be 2-5” with isolated totals at 6” total inches of snow in Houston. Ice accumulations will be hazardous for drivers creating hazardous conditions.

Millions of people across the northern Gulf Coast braced Tuesday for a rare winter storm that’s expected to scatter heavy snow, sleet and freezing rain around the Deep South as a blast of Arctic air plunges much of the eastern U.S. into a deep freeze.

Snow and sleet started falling in Texas as officials begin to close schools and airports. Snow and ice could bring major travel disruptions and power outages from Texas to Florida.