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

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Partly Cloudy

91°F

33°C

Humidity 59%
Wind Speed W 7 G 10 mph
Barometer 30.07 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 19 Aug 10:55 am CDT
Extended Forecast for

Buras-Triumph LA

Heat Advisory until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Today

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 81. Southwest wind around 10 mph.

    Low: 81 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 92. West wind 5 to 10 mph.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 82. Southwest wind 5 to 10 mph.

    Low: 82 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 93. West wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 82. Southwest wind 5 to 10 mph.

    Low: 82 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. West wind 5 to 10 mph.

    High: 93 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 81. Southwest wind around 5 mph.

    Low: 81 °F

    Partly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 81. Southwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 92. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 82. Southwest wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 93. West wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 82. Southwest wind 5 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. West wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 81. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 93. Northwest wind around 5 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 82. Southwest wind around 5 mph.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. West wind around 5 mph becoming east in the afternoon.
Monday Night
Mostly clear, with a low around 82. Southwest wind around 5 mph.
Tuesday
Sunny, with a high near 92. West wind around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Buras-Triumph LA
 29.33°N 89.49°W
Last Update:
10:56 am CDT Aug 19, 2026
Forecast Valid:
11am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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