| NWS Forecast for: 13 Miles WSW Grand Isle LA Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 6:20 pm CDT Jul 13, 2025 | |
| Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a steady temperature around 81. Calm wind. Monday: Showers and thunderstorms likely, mainly before 10am. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%. Tuesday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Northwest wind around 5 mph becoming southwest in the afternoon. Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm. Wednesday: Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 94. Northwest wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 60%. Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 75. West wind around 5 mph becoming calm. Chance of precipitation is 70%. Thursday: Showers and possibly a thunderstorm. High near 90. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 90%. Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 76. South wind around 5 mph. Friday: Showers and possibly a thunderstorm. Partly sunny, with a high near 90. Southwest wind 5 to 10 mph. Friday Night: Showers and thunderstorms likely. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 78. Southwest wind around 5 mph. Saturday: Showers and thunderstorms. Partly sunny, with a high near 91. South wind 5 to 10 mph. Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening. Sunday: Showers and thunderstorms likely. Mostly sunny, with a high near 92. Southwest wind around 5 mph. | |
| 13 Miles WSW Grand Isle LA 29.15°N 90.17°W | |
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