Houston Mayor John Whitmire urged Houston residents to not get complacent now that the snow has stopped falling "Hear me!" Whitmire beckoned at a Tuesday press conference. "We're halfway there. The next 24 hours will be the most dangerous.

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.

The winter weather forced cancellations of flights into and out of both Houston airports. However, that's now over.

A rare, historic snowfall blanketed parts of the southern U.S. on Tuesday, allowing residents to play in the rather unusual weather. Families went snow tubing in Houston. People made snowballs and snow angels. People were even seen skiing on Bourbon Street.

A snowstorm warning was in effect for 31 million people - from southern Texas east through Georgia and north to the Carolinas and into Virginia - until Wednesday morning, the National Weather Service said.

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.