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.

Fog

79°F

26°C

Humidity 94%
Wind Speed N 10 mph
Barometer 29.93 in
Dewpoint 77°F (25°C)
Visibility 0.50 mi
Heat Index83°F (28°C)
Last update 5 Oct 5:35 am CDT
Extended Forecast for

3 Miles ENE Cut Off LA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Northeast wind around 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Northeast wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 83. Northeast wind 10 to 15 mph.

    High: 83 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 84. Northeast wind around 15 mph. Chance of precipitation is 20%.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. Northeast wind 5 to 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy, with an east wind 15 to 20 mph.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 70. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Northeast wind around 5 mph.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Northeast wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 83. Northeast wind 10 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.
Wednesday
A slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Partly sunny, with a high near 84. Northeast wind around 15 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 70. Northeast wind 5 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Breezy, with an east wind 15 to 20 mph.
Thursday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 70. East wind around 10 mph, with gusts as high as 20 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Breezy, with an east wind 15 to 20 mph.
Saturday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 82. Breezy, with a northeast wind 20 to 25 mph.
Saturday Night
Showers likely. Mostly cloudy, with a low around 70. Breezy, with a northeast wind 15 to 20 mph becoming north after midnight.
Sunday
A chance of showers. Partly sunny, with a high near 84. North wind 10 to 15 mph becoming southwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Cut Off LA
 29.54°N 90.29°W
Last Update:
2:56 am CDT Oct 5, 2026
Forecast Valid:
5am CDT Oct 5, 2026-6pm CDT Oct 11, 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