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.

Thunderstorm in Vicinity

80°F

27°C

Humidity 87%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 9 Aug 9:15 am CDT
Extended Forecast for

Larose LA

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly between noon and 5pm. Increasing clouds, with a high near 90. Northeast wind around 5 mph becoming southeast in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 92. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly between noon and 5pm. Increasing clouds, with a high near 90. Northeast wind around 5 mph becoming southeast in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 78. South wind around 5 mph.
Thursday
Sunny, with a high near 92. Light southwest wind becoming south 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph becoming light after midnight.
Friday
Sunny, with a high near 93. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Larose LA
 29.57°N 90.37°W
Last Update:
5:51 am CDT Aug 9, 2026
Forecast Valid:
9am CDT Aug 9, 2026-6pm CDT Aug 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation