Upper Plaquemines-Central Plaquemines- Including the cities of Belle Chasse, Braithwaite, and Alliance 1126 PM CST Sun Dec 14 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM CST MONDAY... .REST OF TONIGHT...Mostly clear. Much cooler with lows in the lower 30s. Northeast winds 10 to 15 mph with gusts up to 30 mph. .MONDAY...Sunny, cooler with highs in the upper 40s. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Northeast winds around 5 mph. .TUESDAY...Partly sunny. Not as cool with highs in the lower 60s. East winds around 5 mph. .TUESDAY NIGHT...Mostly cloudy and not as cool. Near steady temperature in the lower 50s. East winds around 5 mph. .WEDNESDAY...Mostly cloudy. Highs in the mid 60s. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 20 percent. .THURSDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy after midnight. Lows in the lower 50s. Chance of rain 20 percent. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 60s. Lows in the lower 50s. .SATURDAY THROUGH SUNDAY...Partly cloudy. Highs in the lower 70s. Lows in the upper 50s.