Parts of Louisiana were under water on Monday, NBC News reported.
Severe thunderstorms, formed partially from remnants of Hurricane Patricia, moved into the Gulf Coast area after hitting Texas over the weekend.
The heaviest rain is expected to hit parts of Louisiana and Mississippi. Baton Rouge, Louisiana got more than 8.5 inches of rain this weekend.
A few isolated, weak tornadoes hit parts of the south as well, according to the Weather Channel.