Upper St. Bernard-Lower St. Bernard- Including the cities of Chalmette, Meraux, Violet, Yscloskey, Delacroix, and Shell Beach 328 PM CST Tue Jan 31 2023 ...DENSE FOG ADVISORY IN EFFECT UNTIL 6 AM CST WEDNESDAY... .TONIGHT...Mostly cloudy. Areas of dense fog. Lows in the mid 50s. East winds around 5 mph, becoming north after midnight. .WEDNESDAY...Areas of dense fog in the morning. Mostly cloudy. Highs in the lower 60s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. Near steady temperature in the upper 50s. East winds 5 to 10 mph. .THURSDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Not as cool with highs in the lower 70s. Southeast winds 5 to 10 mph, becoming southwest 10 to 15 mph in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...A chance of thunderstorms. Showers, cooler with lows in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent. .FRIDAY...Mostly cloudy with a slight chance of showers in the morning, then sunny in the afternoon. Breezy and much cooler with highs in the upper 50s. Chance of rain 20 percent. .FRIDAY NIGHT...Clear. Lows in the mid 40s. .SATURDAY...Sunny. Highs in the upper 50s. .SATURDAY NIGHT...Mostly cloudy. Lows in the lower 50s. .SUNDAY...Partly sunny in the morning, then clearing. Highs in the lower 60s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 60s. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows in the upper 50s. Highs in the upper 60s.