Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

82°F

28°C

Humidity 74%
Wind Speed NE 13 G 21 mph
Barometer 29.91 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 7 Oct 12:15 pm CDT
Extended Forecast for

5 Miles WSW Grand Isle LA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 83. Breezy, with a northeast wind around 20 mph.

    High: 83 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 81. Breezy, with a northeast wind 15 to 20 mph.

    Low: 81 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 83. Breezy, with a northeast wind 20 to 25 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 77. Breezy, with an east wind 20 to 25 mph.  Chance of precipitation is 70%.

    Low: 77 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Tropical storm conditions possible. Showers and possibly a thunderstorm.  High near 82. Chance of precipitation is 90%.

    High: 82 °F

    Tropical
    Storm
    Conditions
    Possible

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 75. Windy, with a north wind 25 to 35 mph decreasing to 15 to 25 mph after midnight.  Chance of precipitation is 90%.

    Low: 75 °F

    T-storms and
    Windy

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 1pm.  Partly sunny, with a high near 82. West wind around 15 mph.  Chance of precipitation is 70%.

    High: 82 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am.  Mostly cloudy, with a low around 76. Northwest wind 5 to 10 mph becoming northeast after midnight.  Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly before 1pm.  Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 83. Breezy, with a northeast wind around 20 mph.
Tonight
Mostly cloudy, with a steady temperature around 81. Breezy, with a northeast wind 15 to 20 mph.
Thursday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Breezy, with a northeast wind 20 to 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 77. Breezy, with an east wind 20 to 25 mph. Chance of precipitation is 70%.
Friday
Tropical storm conditions possible. Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 75. Windy, with a north wind 25 to 35 mph decreasing to 15 to 25 mph after midnight. Chance of precipitation is 90%.
Saturday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 82. West wind around 15 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 76. Northwest wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 40%.
Sunday
A chance of showers, mainly before 1pm. Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 77. Northeast wind around 10 mph.
Columbus Day
A slight chance of showers. Mostly sunny, with a high near 83. East wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 78. Southeast wind around 5 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83. Northeast wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Grand Isle LA
 29.21°N 90.07°W
10:21 am CDT Oct 7, 2026
12pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

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