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.

Mostly Cloudy

85°F

29°C

Humidity 69%
Wind Speed NE 3 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility NA
Heat Index92°F (33°C)
Last update 27 Aug 3:35 pm CDT
Extended Forecast for

2 Miles WNW Buras-Triumph LA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. High near 85. Northwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 7pm, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 79. South wind around 5 mph becoming northwest in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 79 °F

    Heavy Rain
    then Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms, mainly before 3pm. High near 85. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 80. East wind around 5 mph becoming calm.

    Low: 80 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 86. Northeast wind 5 to 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 81. East wind around 5 mph. Chance of precipitation is 40%.

    Low: 81 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southeast wind around 5 mph.

    Low: 79 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 1pm. Sunny, with a high near 90. Light southeast wind becoming east 5 to 10 mph in the morning.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. High near 85. Northwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms likely, mainly before 7pm, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 79. South wind around 5 mph becoming northwest in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and thunderstorms, mainly before 3pm. High near 85. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 80. East wind around 5 mph becoming calm.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 86. Northeast wind 5 to 10 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 4am. Partly cloudy, with a low around 81. East wind around 5 mph. Chance of precipitation is 40%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southeast wind around 5 mph.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Sunny, with a high near 90. Light southeast wind becoming east 5 to 10 mph in the morning.
Monday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. Southeast wind around 5 mph becoming calm after midnight.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 90. Calm wind becoming east around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 79. East wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. East wind 5 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 80. East wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. East wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Buras-Triumph LA
 29.36°N 89.51°W
Last Update:
2:07 pm CDT Aug 27, 2026
Forecast Valid:
3pm CDT Aug 27, 2026-6pm CDT Sep 3, 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