Expires:202512280600;;338864 FPUS54 KLIX 272236 ZFPLIX Zone Forecast Product National Weather Service New Orleans LA 435 PM CST Sat Dec 27 2025 LAZ068-280600- Coastal Jefferson Parish- Including the city of Grand Isle 435 PM CST Sat Dec 27 2025 ...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST SUNDAY... .TONIGHT...Mostly cloudy this evening, then becoming partly cloudy. Areas of fog after midnight. Lows in the lower 60s. South winds around 5 mph. .SUNDAY...Patchy fog in the morning. Mostly sunny. Highs in the lower 70s. South winds 5 to 10 mph. .SUNDAY NIGHT...Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Cooler with lows in the lower 50s. South winds 5 to 10 mph, becoming southwest 10 to 15 mph after midnight. Chance of rain 70 percent. .MONDAY...Partly sunny. A slight chance of showers in the morning. Cooler. Less humid with highs in the lower 60s. Temperature falling into the lower 50s in the afternoon. North winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy and breezy. Much cooler with lows in the mid 30s. North winds 15 to 25 mph with gusts up to 35 mph. .TUESDAY...Sunny, cooler with highs around 50. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Areas of frost through the day. Lows in the mid 30s. Highs in the mid 50s. .WEDNESDAY NIGHT AND NEW YEARS DAY...Mostly clear. Lows around 40. Highs in the upper 50s. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. .FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Highs in the lower 60s. Lows in the lower 50s. .SATURDAY...Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 20 percent. $$