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

64°F

18°C

Humidity 100%
Wind Speed S 2 mph
Barometer 30.06 in
Dewpoint 64°F (18°C)
Visibility 0.50 mi
Last update 14 Oct 5:55 am CDT
Extended Forecast for

Galliano LA

Dense Fog Advisory until October 14, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until October 14, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 86 °F

    Areas Dense
    Fog then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. East wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. East wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers. Mostly sunny, with a high near 86. Northeast wind 5 to 10 mph.

    High: 86 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Breezy, with a light northeast wind becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph.

    Low: 60 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 74. Breezy, with a northeast wind 15 to 25 mph.

    High: 74 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Northeast wind 10 to 15 mph.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Today
Areas of dense fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 86. Light and variable wind becoming east 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 69. East wind around 5 mph.
Thursday
Sunny, with a high near 85. East wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 86. Northeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 60. Breezy, with a light northeast wind becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 74. Breezy, with a northeast wind 15 to 25 mph.
Saturday Night
Mostly clear, with a low around 61. Northeast wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 78. Breezy, with an east wind 15 to 20 mph.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 67. East wind around 15 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Breezy, with an east wind around 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 67. East wind 10 to 15 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83. Breezy, with an east wind 15 to 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galliano LA
 29.43°N 90.29°W
Last Update:
5:29 am CDT Oct 14, 2026
Forecast Valid:
6am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation