The National Hurricane Center is tracking three tropical waves, including two in the Caribbean. Tropical wave 1: A far eastern Atlantic tropical wave is near 30W from 17N southward, and moving west at 11 mph.

"Heavy rain is already moving through Louisiana and will continue over the next few days," AccuWeather's Alex DaSilva said.

Likening the system to a merry-go-round, Pilié said weather forecasting models Thursday showed the storm doing a full loop around the southeast U.S. before circling back to the Gulf Coast, bringing increased rain chances and the potential for tropical development late next week.

A disturbance dubbed Invest 93L could become Tropical Storm Dexter as it tracks west from Florida toward Louisiana.

New Orleans is preparing for heavy rainfall this week as a tropical disturbance moves through the Gulf of Mexico toward the Louisiana coast.

The National Hurricane Center has highlighted an area it's watching in the Gulf. Right now, there's a low chance for development.

The storm remains disorganized on Wednesday but still has time to strengthen over the Gulf before making landfall on Thursday.

Six tornadoes were reported from Wisconsin to Indiana on Wednesday, with the Wisconsin ones labeled as “large,” though no major damage or injuries have been reported.

The heaviest rains are expected to instead take aim at the Acadiana area, but flash flooding will be an issue there and in New Orleans and Baton Rouge metros. Here's more.