Thu Nov 28 10:38:43 PM EST 2024 Coastal Jefferson Parish- Including the city of Grand Isle 938 PM CST Thu Nov 28 2024 .REST OF TONIGHT...Mostly cloudy. A chance of showers. Much cooler with lows in the upper 40s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent. .FRIDAY...Mostly cloudy with a chance of showers in the morning, then sunny in the afternoon. Much cooler with highs in the upper 50s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 40s. Northeast winds 15 to 20 mph with gusts up to 30 mph. .SATURDAY...Mostly sunny. Highs in the lower 60s. Northeast winds 10 to 15 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. Northeast winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the mid 60s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the upper 40s. Highs around 60. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 60s. .TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 60s. .WEDNESDAY NIGHT...Mostly cloudy. Near steady temperature in the upper 50s. .THURSDAY...Partly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20 percent.