| NWS Forecast for: Upper Lafourche Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 1041 PM CDT Tue Jul 28 2026 |  |
Overnight: Clear. Lows in the upper 70s. West winds around 5 mph. Wednesday: Sunny with highs in the mid 90s. West winds 5 to 10 mph. Heat index values up to 110. Wednesday Night: Partly cloudy. Humid with lows in the upper 70s. West winds 5 to 10 mph. Heat index values up to 109 early in the evening. Thursday: Mostly sunny. Showers and thunderstorms likely in the afternoon. Humid with highs in the lower 90s. West winds around 5 mph. Chance of rain 60 percent. Heat index values up to 109. Thursday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Humid with lows in the upper 70s. Southwest winds around 5 mph. Chance of rain 50 percent. Heat index values up to 105 early in the evening. Friday: Partly sunny. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 110. Friday Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 70s. Chance of rain 20 percent. Saturday: Partly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105. Saturday Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 70s. Chance of rain 50 percent. Sunday: Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent. Sunday Night And Monday: Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs around 90. Chance of rain 50 percent. Monday Night: Partly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. Chance of rain 20 percent. Tuesday: Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105. | |
| Zone Forecast: Upper Lafourche | |
Visit your local NWS office at: https://www.weather.gov/lix |