Coastal Threats for the East and Gulf; Record Warmth for the Central U.S.

Persistent onshore flow across the Southeast and portions of the mid-Atlantic will keep the risk of rip currents through the weekend. Rainfall could be locally heavy across Florida, especially along the eastern shoreline. Meanwhile, record warmth for portions of the Plains and Midwest with elevated fire concerns. For the west, a trough will keep the pattern unsettled with wet conditions. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Grand Isle LA

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Low around 75. Breezy, with an east wind 20 to 25 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 75 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 3pm, then showers likely.  High near 83. Southeast wind around 15 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 83 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm.  Partly cloudy, with a low around 78. Southeast wind 10 to 15 mph.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm.  Mostly sunny, with a high near 84. East wind around 10 mph.  Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 10pm.  Partly cloudy, with a low around 78. East wind around 10 mph.

    Low: 78 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 7am.  Mostly sunny, with a high near 84. East wind around 10 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am.  Mostly clear, with a low around 78. East wind around 10 mph.

    Low: 78 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Sunny, with a high near 84. Northeast wind around 15 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 1am.  Partly cloudy, with a low around 78. East wind 10 to 15 mph.

    Low: 78 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 75. Breezy, with an east wind 20 to 25 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers and possibly a thunderstorm before 3pm, then showers likely. High near 83. Southeast wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Partly cloudy, with a low around 78. Southeast wind 10 to 15 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly sunny, with a high near 84. East wind around 10 mph. Chance of precipitation is 50%.
Monday Night
A 30 percent chance of showers, mainly before 10pm. Partly cloudy, with a low around 78. East wind around 10 mph.
Tuesday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 84. East wind around 10 mph. Chance of precipitation is 30%.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 78. East wind around 10 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 84. Northeast wind around 15 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 78. East wind 10 to 15 mph.
Thursday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 84. East wind around 15 mph.
Thursday Night
A slight chance of showers. Mostly clear, with a low around 78. East wind 10 to 15 mph.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 83. East wind around 15 mph.
Friday Night
Mostly clear, with a low around 77. East wind around 10 mph.
Saturday
Sunny, with a high near 83. Northeast wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Isle LA
 29.23°N 89.99°W
10:27 pm CDT Oct 4, 2025
10pm CDT Oct 4, 2025-6pm CDT Oct 11, 2025
 
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Additional Resources

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