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

54°F

12°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 52°F (11°C)
Visibility 0.25 mi
Last update 17 Nov 6:55 am CST
Extended Forecast for

11 Miles ESE Dulac LA

Dense Fog Advisory November 17, 07:06am until November 17, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory November 17, 07:06am until November 17, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Today

    High: 76 °F

    Dense Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Southeast wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southeast wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Southeast wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Southeast wind 5 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Southeast wind around 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 77. Southeast wind 10 to 15 mph.

    High: 77 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 70. Southeast wind around 15 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Today
Widespread dense fog, mainly before 8am. Otherwise, mostly sunny, with a high near 76. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 68. Southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 77. Southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 67. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 77. Southeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 68. Southeast wind around 10 mph.
Thursday
Partly sunny, with a high near 77. Southeast wind 10 to 15 mph.
Thursday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 70. Southeast wind around 15 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly sunny, with a high near 78. South wind 10 to 15 mph.
Friday Night
A chance of showers, mainly after midnight. Partly cloudy, with a low around 68. South wind around 10 mph.
Saturday
A chance of showers. Mostly sunny, with a high near 76. Southwest wind around 10 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southwest wind around 10 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 74. Southeast wind around 10 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Dulac LA
 29.3°N 90.53°W
Last Update:
3:31 am CST Nov 17, 2025
Forecast Valid:
7am CST Nov 17, 2025-6pm CST Nov 23, 2025
 
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