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

Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

86°F

30°C

Humidity 67%
Wind Speed S 7 mph
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 26 Jun 7:15 pm CDT
Extended Forecast for

South Lafourche Airport LA

  • Tonight

    Tonight: Mostly clear, with a low around 81. South wind around 5 mph.

    Low: 81 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Southwest wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 81. South wind around 5 mph.

    Low: 81 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 80. South wind around 5 mph becoming calm in the evening.

    Low: 80 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 81. South wind around 5 mph.
Saturday
Sunny, with a high near 91. Southwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 81. South wind around 5 mph.
Sunday
Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 80. South wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 79. South wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Calm wind.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Calm wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 79. South wind around 5 mph becoming calm.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southeast around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lafourche Airport LA
 29.45°N 90.27°W
Last Update:
6:15 pm CDT Jun 26, 2026
Forecast Valid:
7pm CDT Jun 26, 2026-6pm CDT Jul 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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