A rare frigid storm is charging through Texas and the northern Gulf Coast, blanketing New Orleans and Houston with snow, closing highways and grounding nearly all flights.

Houston was blasted with at least three inches of snow as a historic winter storm moved across the Gulf Coast and through the city. A historic winter storm will drop rare amounts of snow from Texas across the northern Gulf Coast. Many places will see their heaviest snow in decades, and modern day records could fall.

A rare winter storm churned across the U.S. Gulf Coast on Tuesday, breaking snowfall records more than a century old in a southern region where flurries are unusual, as much of the United States remained in a dangerous deep freeze.