Lower St. Bernard- Including the cities of Yscloskey, Delacroix, and Shell Beach 535 PM CDT Tue Sep 15 2026 .TONIGHT...Mostly clear. Lows in the lower 80s. East winds 5 to 10 mph. .WEDNESDAY...Mostly sunny with a chance of showers and thunderstorms. Breezy with highs in the upper 80s. East winds 15 to 25 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 80s. East winds 15 to 20 mph. Chance of rain 20 percent. .THURSDAY...Sunny, breezy with highs in the upper 80s. East winds 15 to 25 mph. .THURSDAY NIGHT...Clear. Lows in the upper 70s. East winds 10 to 15 mph. .FRIDAY AND FRIDAY NIGHT...Clear. Highs in the upper 80s. Lows in the upper 70s. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs around 90. Lows in the upper 70s. .SUNDAY AND SUNDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 20 percent. .MONDAY...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent. .MONDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. Chance of rain 20 percent. .TUESDAY...Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.