Around 40 million people in the U.S. are under a winter storm warning from an unusual blast of severe winter weather.

A once-in-a-lifetime winter storm pummeled the South, all the way down to the Gulf Coast, with snow and ice. Here's the latest.

Schools are closed, snow is falling in places where it usually doesn't and freezing temperatures are sweeping across the South as a winter storm tracks across states including Texas, Louisiana, Mississippi,