A strong cold front is approaching Houston, expected to bring scattered light showers in the afternoon and potentially severe storms during the evening commute.

A tornado warning has been issued for four Wiregrass counties as severe weather moves through the area. Watch the livestream in the player above as the WDHN First Alert Storm Team tracks severe weather in the Wiregrass.

A flood watch that was in effect for Fort Bend, Brazoria, Wharton, Matagorda, Jackson and Calhoun counties has been canceled. You can still expect rain throughout the day on Friday with occasional thunderstorms and temperature highs in the mid 70s.

End of Update-- The Storm Prediction Center in Houston/Galveston has issued a tornado watch for 13 counties in east and southeast Texas, including parts north and east of Harris County.

For the third weekend in a row, Middle Tennessee and Southern Kentucky are under a significant severe thunderstorm threat.

"TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building," the tornado warning said. "Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris."

Southeast Texas is under a tornado watch through 7 p.m. Friday. But the potential for severe weather is expected to continue through early next week. Jefferson, Hardin, Jasper, Orange and Newton counties were put under a tornado watch after noon Friday, the National Oceanic and Atmospheric Administration said.

On the heels of our severe weather late Sunday night, FOX 17 News continues a Code Red Weather Alert for potentially strong to severe thunderstorms Wednesday.