Wed Oct 2 04:04:49 PM EDT 2024 Coastal Jefferson Parish- Including the city of Grand Isle 304 PM CDT Wed Oct 2 2024 .TONIGHT...Mostly clear. Lows in the lower 70s. East winds 5 to 10 mph. .THURSDAY...Mostly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Locally heavy rainfall possible in the afternoon. Highs in the lower 80s. East winds 10 to 15 mph. Chance of rain 50 percent. .THURSDAY NIGHT...Showers likely with a chance of thunderstorms. Humid with lows in the mid 70s. East winds 5 to 10 mph. Chance of rain 70 percent. .FRIDAY...A chance of thunderstorms. Showers likely. Humid with highs in the lower 80s. East winds 10 to 15 mph. Chance of rain 70 percent. .FRIDAY NIGHT...Cloudy with a chance of showers and thunderstorms. Humid. Near steady temperature in the upper 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .SATURDAY THROUGH SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Lows in the mid 70s. Chance of rain 50 percent. .SUNDAY NIGHT AND MONDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 80s. Chance of rain 20 percent. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the upper 60s. Highs in the lower 80s.