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.

Partly Cloudy

79°F

26°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 29.96 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Oct 12:35 am CDT
Extended Forecast for

Cut Off LA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a steady temperature around 74. Calm wind becoming northeast around 5 mph.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Northeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 70. Northeast wind 5 to 10 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. Northeast wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Northeast wind around 15 mph.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 70. Northeast wind around 10 mph.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind around 15 mph, with gusts as high as 30 mph.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East wind 10 to 15 mph.

    Low: 69 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a steady temperature around 74. Calm wind becoming northeast around 5 mph.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Northeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 20 percent chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 70. Northeast wind 5 to 10 mph.
Tuesday
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. Northeast wind 10 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Northeast wind around 15 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 70. Northeast wind around 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. East wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. East wind 10 to 15 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Breezy, with a northeast wind around 20 mph, with gusts as high as 30 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Breezy, with a northeast wind 20 to 25 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Breezy, with a northeast wind 15 to 20 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Northwest wind 10 to 15 mph becoming west in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cut Off LA
 29.52°N 90.34°W
Last Update:
12:12 am CDT Oct 5, 2026
Forecast Valid:
12am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
 
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