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

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

58°F

14°C

Humidity 32%
Wind Speed N 14 G 20 mph
Barometer 30.39 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 27 Nov 10:35 am CST
Extended Forecast for

11 Miles ESE South Lafourche Airport LA

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 64. Northeast wind 10 to 15 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. North wind around 10 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61. Northeast wind 10 to 15 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. East wind around 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. Southeast wind 10 to 15 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 61. South wind 5 to 10 mph.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 72. South wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 55. Northeast wind around 10 mph.

    Low: 55 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 65. Northeast wind around 10 mph.

    High: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Thanksgiving Day
Sunny, with a high near 64. Northeast wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 43. North wind around 10 mph.
Friday
Mostly sunny, with a high near 61. Northeast wind 10 to 15 mph.
Friday Night
Mostly cloudy, with a low around 48. East wind around 10 mph.
Saturday
Partly sunny, with a high near 72. Southeast wind 10 to 15 mph.
Saturday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 61. South wind 5 to 10 mph.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 72. South wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Cloudy, with a low around 55. Northeast wind around 10 mph.
Monday
A chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 65. Northeast wind around 10 mph.
Monday Night
Showers likely. Cloudy, with a low around 50. Northeast wind around 10 mph becoming north after midnight.
Tuesday
A chance of showers. Partly sunny, with a high near 61. North wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 44. North wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 64. East wind around 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE South Lafourche Airport LA
 29.4°N 90.09°W
Last Update:
9:17 am CST Nov 27, 2025
Forecast Valid:
10am CST Nov 27, 2025-6pm CST Dec 3, 2025
 
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