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.

Fair

43°F

6°C

Humidity 90%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 3 Feb 4:55 am CST
Extended Forecast for

11 Miles ESE Dulac LA

  • Today

    Today: Sunny, with a high near 66. South wind 10 to 15 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 55. South wind around 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 63. Breezy, with a north wind 10 to 20 mph.

    High: 63 °F

    Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. Breezy, with a north wind 15 to 20 mph.

    Low: 39 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 54. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Northwest wind 5 to 10 mph.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64. West wind 5 to 15 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. West wind 5 to 15 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. South wind 10 to 15 mph.
Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 55. South wind around 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 40 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 63. Breezy, with a north wind 10 to 20 mph.
Wednesday Night
Mostly clear, with a low around 39. Breezy, with a north wind 15 to 20 mph.
Thursday
Sunny, with a high near 54. North wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 43. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 64. West wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 51. West wind 5 to 15 mph.
Saturday
Sunny, with a high near 66. Northwest wind around 5 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 52. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 67. Southwest wind 5 to 10 mph becoming south in the morning.
Sunday Night
Partly cloudy, with a low around 55. South wind around 5 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 67. North wind 5 to 10 mph becoming south in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Dulac LA
 29.3°N 90.53°W
Last Update:
11:57 pm CST Feb 2, 2026
Forecast Valid:
5am CST Feb 3, 2026-6pm CST Feb 9, 2026
 
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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