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.

Overcast

76°F

24°C

Humidity 87%
Wind Speed N 20 G 26 mph
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 27 Aug 8:15 am CDT
Extended Forecast for

Cut Off LA

  • Today

    Today: Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 89. Calm wind becoming north around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%.

    High: 89 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 89. Calm wind becoming north around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 74. Calm wind.
Friday
Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 87. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 75. Calm wind.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 76. Calm wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 76. Calm wind.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cut Off LA
 29.52°N 90.34°W
Last Update:
4:25 am CDT Aug 27, 2026
Forecast Valid:
8am CDT Aug 27, 2026-6pm CDT Sep 2, 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