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/Mist

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 29.87 in
Dewpoint 74°F (23°C)
Visibility 4.00 mi
Heat Index76°F (24°C)
Last update 3 Aug 2:55 am CDT
Extended Forecast for

Cut Off LA

  • Overnight

    Overnight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 92. Light northeast wind becoming east 5 to 10 mph in the morning.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light and variable wind becoming east 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cut Off LA
 29.54°N 90.34°W
Last Update:
1:57 am CDT Aug 3, 2026
Forecast Valid:
3am CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
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Additional Resources

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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