"A sizable zone where 4-8 inches of rain is forecast to fall extends across much of the southern half of Louisiana and part of southern Mississippi. Within this zone, pockets where 8-12 inches of rain can fall are anticipated with an AccuWeather Local StormMax rainfall of 16 inches."

As of Wednesday morning, the National Hurricane Center held the chances of the system developing into a tropical depression or storm at 40% over the next two to seven days. The greatest impacts will likely be in the northern end of the Gulf,