National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Coastal Threats for the East and Gulf; Record Warmth for the Central U.S.

Persistent onshore flow across the Southeast and portions of the mid-Atlantic will keep the risk of rip currents through the weekend. Rainfall could be locally heavy across Florida, especially along the eastern shoreline. Meanwhile, record warmth for portions of the Plains and Midwest with elevated fire concerns. For the west, a trough will keep the pattern unsettled with wet conditions. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Mostly Cloudy

80°F

27°C

Humidity 74%
Wind Speed NE 8 G 22 mph
Barometer 30.03 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 3 Oct 4:15 pm CDT
Extended Forecast for

South Lafourche Airport LA

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy, with a northeast wind around 20 mph.

    High: 83 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 70. East wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 81. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 70. East wind 10 to 15 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. East wind 10 to 15 mph. Chance of precipitation is 70%.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 72. East wind 5 to 10 mph.

    Low: 72 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 85. East wind 5 to 10 mph.

    High: 85 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 71. East wind around 5 mph.

    Low: 71 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 86. Northeast wind 5 to 10 mph.

    High: 86 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy, with a northeast wind around 20 mph.
Tonight
A chance of showers, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 70. East wind 10 to 15 mph. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 70. East wind 10 to 15 mph. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. East wind 10 to 15 mph. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers, mainly before 4am. Mostly cloudy, with a low around 72. East wind 5 to 10 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 7am. Partly sunny, with a high near 85. East wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 71. East wind around 5 mph.
Tuesday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 86. Northeast wind 5 to 10 mph.
Tuesday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 71. Northeast wind around 5 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Northeast wind 5 to 15 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 71. Northeast wind 5 to 10 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 84. East wind 10 to 15 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 69. East wind 5 to 10 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 83. East wind 10 to 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Lafourche Airport LA
 29.45°N 90.27°W
Last Update:
12:27 pm CDT Oct 3, 2025
Forecast Valid:
4pm CDT Oct 3, 2025-6pm CDT Oct 10, 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