A large area of severe thunderstorms is forecast into Tuesday night and will overlap areas in the Ohio, Tennessee and middle Mississippi valleys that were hit by deadly and damaging storms, forecasters say.

The National Weather Service and AccuWeather both warn of severe weather that could affect the Southeast region, though forecasts remain uncertain.

Severe storms damaged homes, businesses, and power lines across Oklahoma, with the worst impacts in Pittsburg and Muskogee counties.

Tuesday is now a Severe Alert Day due to the threat of more strong to severe storms likely across Louisville and Kentucky.

FRANKLIN, Tenn. (WSMV) - The Williamson County Sheriff’s Office is urging the public to avoid flooded roadways following severe weather that moved through the area on Tuesday. The sheriff’s office reports deputies have responded to three water rescues since Tuesday’s storms.

Oklahoma tornado watch is in effect for many counties until Monday evening. Live updates and video as News 9 tracks the severe weather risk.

Strong to severe storms possible overnight. Storms could bring damaging winds and large hail.

Heavy downpours and hail covered swaths of Middle Tennessee as strong storms blew through on May 20, triggering severe thunderstorm and tornado warnings for multiple counties.