Winter storm warnings are in place in several states with heavy snow, freezing rain and dangerously cold temperatures expected.

Snow totals in Louisiana have broken records. Parts of Florida, Texas and Georgia have also accumulated several inches of snow.

Follow NBC News live updates for the latest coverage of the freezing winter weather affecting large swaths of the U.S., from the Midwest to the South.

More than 220 million people across the United States are facing dangerous cold that will also open the door for a potentially historic and crippling winter storm that could deliver snow as far south as Florida and the Gulf of Mexico.

I’ve been convinced that we are about to experience a very serious and dangerous weather episode,” Houston Mayor John Whitmire said Sunday.

Midlands residents were greeted by picturesque images of snow-blanketed terrain when waking up Wednesday morning. But the rare whiteout in Columbia, caused by a snowstorm that has since moved out of the area, was accompanied by ongoing winter weather threats.

Memphis is set to get hit with a cold weather system early this week that could drop wind chills to as low as 5 degrees.

The National Weather Service has simplified some of its winter weather alerts for Wind Chill and Extreme Cold Warnings.

Florida Gov. Ron DeSantis has declared a state of emergency for the state of Florida ahead of a major winter storm sweeping across the southeast, which is expected to bring frigid temperatures to parts of Florida,

The Montana and Wyoming mountains will see the heaviest snow, with up to 2 feet expected until 6 p.m. local time on Sunday.

It’s been a somewhat mild winter so far, but things have certainly changed as winter weather makes its presence known across the Lower 48 states ... The National Weather Service said ...

Delivery times for post in over half the country could be impacted due to hazardous weather, the U.S. Postal Service said.