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

80°F

27°C

Humidity 90%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 1 Sep 11:15 pm CDT
Extended Forecast for

Galliano Heliport LA

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 80. Southeast wind around 5 mph becoming calm.

    Low: 80 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 75. Calm wind. Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 90. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

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

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 80. Southeast wind around 5 mph becoming calm.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly clear, with a low around 76. Calm wind.
Thursday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 75. Calm wind. Chance of precipitation is 40%.
Friday
Showers and possibly a thunderstorm. High near 90. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76. Calm wind.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm.
Labor Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galliano Heliport LA
 29.4°N 90.29°W
Last Update:
6:21 pm CDT Sep 1, 2026
Forecast Valid:
11pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

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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