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

88°F

31°C

Humidity 67%
Wind Speed NE 3 mph
Barometer 30.16 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 11 Aug 11:35 am CDT
Extended Forecast for

South Lafourche Airport LA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 10am and 4pm. Mostly sunny, with a high near 90. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. Southwest wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 92. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 95 °F

    Hot

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms between 10am and 4pm. Mostly sunny, with a high near 90. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 77. Southwest wind around 5 mph.
Thursday
Sunny, with a high near 92. Light southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78. South wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Lafourche Airport LA
 29.45°N 90.27°W
Last Update:
5:59 am CDT Aug 11, 2026
Forecast Valid:
11am CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
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Additional Resources

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