That's wild considering it hasn't snowed in New Orleans since 2009, and their last "big" snowstorm was in 2008 when 1-2 inches fell. Up to five inches of snow could accumulate in the Houston area. The all-time record snowfall in Houston is 3.0 inches, so this is very clearly a historic situation.

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 accustomed to hurricane dismissals than snow days.