A rare and deadly winter storm descended across the southern U.S. on Tuesday, leaving some record-setting snow totals and halting travel for millions of Americans in Louisiana, Texas and Florida.

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

Impacts will begin in east Texas by Monday night. Ice and snow could contribute to power outages amid freezing temperatures.

The snow is falling across Texas, Louisiana, Mississippi, Alabama, Georgia, South Carolina and Florida, bringing many roads to a standstill. Memorial Drive, a main road in Houston, Texas ...