Areas north of Houston and Harris County are under a tornado watch through 6 p.m. Sunday as a powerful cold front slices through Southeast Texas.

As severe weather remains possible for Southeast Texas, a tornado watch has been extended for three counties in the area. The National Weather Service Lake Charles has extended a tornado watch for Hardin,

As a coast-to-coast winter storm slices across the U.S. Sunday and Monday, severe thunderstorms are expected to fire up across portions of the South on the warm side of the storm system.

Severe thunderstorms have returned to the South on Sunday prompting Tornado Watches for Arkansas, western and northern Louisiana and East and Southeast Texas.

A tornado that touched down in Brazoria County, Texas, struck some homes and other structures on Saturday, the authorities said. It was a day of tornado warnings in Texas, Louisiana and Mississippi.

A tornado watch is now in effect for West Baton Rouge, East Baton Rouge, Pointe Coupee, West Feliciana, East Feliciana, and St. Helena parishes in Louisiana and Pike, Amite, and Wilkinson counties in Mississippi.