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

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 63°F (17°C)
Visibility 0.25 mi
Last update 14 Oct 6:15 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 35 mph.

    Low: 60 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 73. Breezy, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 73 °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 35 mph.
Saturday
Sunny, with a high near 73. Breezy, with a northeast wind 15 to 25 mph, with gusts as high as 35 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Galliano LA
 29.45°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
 
Get as KML Get as XML

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