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

81°F

27°C

Humidity 80%
Wind Speed S 3 mph
Barometer 30.01 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Jun 8:15 pm CDT
Extended Forecast for

3 Miles WSW Galliano Heliport LA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a steady temperature around 80. South wind around 5 mph.

    Low: 80 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 91. Light southwest wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 92 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Light southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 77. Southeast wind around 5 mph.

    Low: 77 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a steady temperature around 80. South wind around 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 90. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. South wind around 5 mph.
Juneteenth
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 91. Light southwest wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 92. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 77. Southeast wind around 5 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 91. East wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 77. Southeast wind 5 to 10 mph.
Monday
Showers and possibly a thunderstorm. Mostly sunny, with a high near 91. East wind 5 to 15 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 91. East wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Galliano Heliport LA
 29.38°N 90.35°W
Last Update:
6:16 pm CDT Jun 17, 2025
Forecast Valid:
8pm CDT Jun 17, 2025-6pm CDT Jun 24, 2025
 
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