People in Texas and much of the U.S. South are facing record snowfalls and icy conditions, with both New Orleans and Houston covered in snow. The big picture: This once-in-a-generation event for millions across the Gulf Coast has closed schools,

San Antonio doesn't see accumulating snow all too often, but chances are starting to rise significantly for it to happen early next week.

A powerful and historic winter storm is bringing heavy snow to the South, including Houston where snow is covering roads and officials have been urging residents to stay home for safety.