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Petit Lake, LA 7-Day Night Weather Forecast
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Petit Lake, LA Weather Forecast
Petit Lake, LA Weather Forecast Date: 535 AM CDT Thu Aug 20 2026
The area/counties/county of: Lower Plaquemines, including the cities of: Buras, Pointe A La Hache, and Port Sulphur.or toggle through each period.
Today... Mostly sunny. Highs in the lower 90s. West winds 5 to 10 mph, becoming southwest this afternoon. Heat index values up to 106.
Tonight... Partly cloudy. Humid with lows around 80. West winds 5 to 10 mph. Heat index values up to 105 early in the evening.
Friday... Mostly sunny with a slight chance of showers and thunderstorms. Humid with highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 20%. Heat index values up to 108.
Friday Night... Partly cloudy with a slight chance of showers and thunderstorms. Humid with lows around 80. West winds 5 to 10 mph. Chance of rain 20%. Heat index values up to 107 early in the evening.
Saturday... Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. West winds 5 to 10 mph. Chance of rain 50%. Heat index values up to 110.
Saturday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 80. Chance of rain 20%. Heat index values up to 110 early in the evening.
Sunday... Sunny. Highs in the lower 90s. Heat index values up to 110.
Sunday Night... Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows around 80. Chance of rain 20%. Heat index values up to 105 early in the evening.
Monday... Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 40%. Heat index values up to 105.
Monday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 80. Chance of rain 20%. Heat index values up to 105 early in the evening.
Tuesday... Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the lower 90s. Chance of rain 30%. Heat index values up to 105.
Tuesday Night... Partly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows around 80. Chance of rain 20%.
POP = Probability of Precipitation
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