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

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fog/Mist

72°F

22°C

Humidity 94%
Wind Speed SE 2 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 2.50 mi
Last update 13 Oct 7:55 am CDT
Extended Forecast for

Cut Off LASimilar City Names

Dense Fog Advisory until October 13, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until October 13, 09:00am

    NOW until 9:00am Tue

    Dense Fog Advisory

  • Today

    High: 88 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 68. Calm wind.

    Low: 68 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 87. Light east wind increasing to 5 to 10 mph in the morning.

    High: 87 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 69. East wind around 5 mph becoming calm.

    Low: 69 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86. East wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. Northeast wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Breezy, with a light and variable wind becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 64 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the morning.
Tonight
Increasing clouds, with a low around 68. Calm wind.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 87. Light east wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Clear, with a low around 69. East wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 86. East wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 87. Northeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 64. Breezy, with a light and variable wind becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 78. Breezy, with a northeast wind 15 to 25 mph.
Saturday Night
Mostly clear, with a low around 63. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 81. Breezy, with an east wind 15 to 20 mph.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 69. East wind around 15 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Breezy, with an east wind 15 to 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cut Off LASimilar City Names
 29.52°N 90.34°W
Last Update:
3:46 am CDT Oct 13, 2026
Forecast Valid:
8am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation