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

70°F

21°C

Humidity 91%
Wind Speed S 7 mph
Barometer 29.92 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 9 May 3:55 am CDT
Extended Forecast for

11 Miles SSE Lafitte LA

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then showers and thunderstorms likely after 4pm. Steady temperature around 71. Light and variable wind becoming northeast 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 71 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 63. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    T-storms
    Likely

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 77. North wind around 10 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 62. North wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 77. North wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 62. West wind around 5 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. West wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. West wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 69. Calm wind.
Friday
Showers and thunderstorms likely before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then showers and thunderstorms likely after 4pm. Steady temperature around 71. Light and variable wind becoming northeast 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 63. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 77. North wind around 10 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 62. North wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 77. North wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. West wind around 5 mph. Chance of precipitation is 30%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. West wind 5 to 10 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 65. West wind 5 to 10 mph.
Tuesday
Sunny, with a high near 82. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 68. Southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 82. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 70. Southwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 85. Southwest wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSE Lafitte LA
 29.53°N 90.05°W
Last Update:
3:51 am CDT May 9, 2025
Forecast Valid:
4am CDT May 9, 2025-6pm CDT May 15, 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