Pockets of severe weather will affect areas in the northeast, southeast and central United States through the Memorial Day weekend.

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.

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

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

Scattered strong to severe thunderstorms are possible late Thursday afternoon into the evening hours. South Florida is under a marginal risk for severe weather on Thursday and Friday.

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

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.