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.

Overcast

69°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 26 Mar 6:35 am CDT
Extended Forecast for

11 Miles ESE Dulac LA

Dense Fog Advisory March 26, 07:00am until March 26, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 26, 07:00am until March 26, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Today

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Southwest wind 5 to 15 mph becoming north after midnight.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. Northeast wind around 10 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Breezy, with an east wind 10 to 20 mph.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Breezy, with an east wind 15 to 20 mph.

    Low: 69 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Today
Sunny, with a high near 77. Southeast wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 68. South wind around 5 mph.
Friday
Sunny, with a high near 79. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 65. Southwest wind 5 to 15 mph becoming north after midnight.
Saturday
Sunny, with a high near 76. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 64. Northeast wind around 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Breezy, with an east wind 10 to 20 mph.
Sunday Night
Partly cloudy, with a low around 69. Breezy, with an east wind 15 to 20 mph.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 77. Southeast wind around 15 mph.
Monday Night
Mostly cloudy, with a low around 70. Southeast wind 10 to 15 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Southeast wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 70. Southeast wind around 15 mph.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Southeast wind 10 to 15 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Dulac LA
 29.3°N 90.53°W
Last Update:
4:52 am CDT Mar 26, 2026
Forecast Valid:
7am CDT Mar 26, 2026-6pm CDT Apr 1, 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