The flood warning extends to New Orleans, as well as several other localities in the southeastern state.
It will be valid until at least 22:00 local time (06:00 Moscow time).
Earlier, forecasters warned residents of the northern coast of the Gulf of Mexico, in particular the state of Louisiana, about the need to quickly prepare for a strong blow from Hurricane Ida.
It also became known that more than 150 thousand people were left without electricity because of the hurricane "Ida" in the US state of Louisiana.