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NEW ORLEANS — The National Weather Service is monitoring Invest 91L as it moves over the Northeastern Gulf of Mexico. The disturbance is expected to bypass Southeast Louisiana and continue its northeasterly track, bringing rain into the Florida panhandle today.

In its Sept. 8 update, the National Weather Service identified 91L as “disorganized cloudiness and a few thunderstorms over the central and eastern Gulf of Mexico associated with a surface trough and an upper-level disturbance.”

Upper-level winds may support some tropical or subtropical development as the system moves into the Gulf Coast tonight and into Thursday morning. Heavy rainfall is possible across the Florida panhandle and southern Georgia.

There is a 50% chance of tropical development of this system through the next 48 hours.

St. John the Baptist Parish will have a slight chance of showers and thunderstorms Wednesday morning, and a higher chance of showers and thunderstorms this afternoon. The chance of precipitation is 50%, with highs today in the upper 80s.

There will be a 20% chance of rain for St. John Parish tonight, followed by patchy fog after midnight. Meteorologists predict sunny weather Thursday with highs around 90 degrees and a 20% chance of rain in the afternoon.