Interstate 10 from the Louisiana-Texas state line to as far east as Sorrento or Gramercy could be fully open to traffic in both directions at some point Thursday afternoon, Department of Transportation and Development Secretary Joe Donahue said.

A rare winter storm charging through Texas and the northern Gulf Coast on Tuesday has closed highways and airports and prompted the first blizzard warning for southeast Texas and southwest Louisiana.

A rare frigid storm charged through Texas and the northern Gulf Coast on Tuesday, blanketing New Orleans and Houston with snow that closed highways, grounded nearly all flights and canceled school for more than a million students more used to hurricane dismissals than snow days.