National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

73°F

23°C

Humidity 85%
Wind Speed SE 6 mph
Barometer 30.09 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 3 Apr 6:55 am CDT
Extended Forecast for

11 Miles ESE South Lafourche Airport LA

  • Today

    Today: Mostly sunny, with a high near 79. Southeast wind 5 to 15 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog between 10pm and 11pm. Otherwise, partly cloudy, with a low around 68. Southeast wind 5 to 10 mph.

    Low: 68 °F

    Patchy Fog
    then Partly
    Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 78. Light and variable wind becoming north 5 to 10 mph in the morning. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Cloudy, with a low around 57. North wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 67. Northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Southeast wind 5 to 15 mph.
Tonight
Patchy fog between 10pm and 11pm. Otherwise, partly cloudy, with a low around 68. Southeast wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. High near 78. Light and variable wind becoming north 5 to 10 mph in the morning. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Cloudy, with a low around 57. North wind 10 to 15 mph. Chance of precipitation is 40%.
Monday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 67. Northeast wind around 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 56. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 74. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 58. Northeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 75. East wind 10 to 15 mph.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 61. East wind 10 to 15 mph.
Thursday
A chance of showers. Partly sunny, with a high near 75. East wind 10 to 15 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE South Lafourche Airport LA
 29.4°N 90.09°W
Last Update:
5:27 am CDT Apr 3, 2026
Forecast Valid:
7am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation