A rare frigid storm charged through Texas and the northern Gulf Coast on Tuesday, blanketing New Orleans and Houston with snow, closing highways, grounding nearly all flights and canceling school for millions of students more used to hurricane dismissals than snow days.

Florida residents from Pensacola to Jacksonville are bracing for what is expected to be a historic, once-in-a-lifetime winter storm with record-breaking, single-digit temperatures and an

As heavy snow, sleet and freezing rain hit parts of the Deep South, a blast of Arctic air plunged much of the Midwest and the eastern U.S. into a deep freeze.