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.

Partly Cloudy

76°F

24°C

Humidity 70%
Wind Speed S 17 G 24 mph
Barometer 30.00 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Feb 10:55 am CST
Extended Forecast for

11 Miles ESE Dulac LA

  • Today

    Today: Partly sunny, with a high near 73. South wind around 10 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly after 3am. Otherwise, mostly cloudy, with a low around 66. South wind 10 to 15 mph.

    Low: 66 °F

    Dense Fog

  • Thursday

    Thursday: Widespread dense fog before 10am. Otherwise, partly sunny, with a high near 74. South wind around 15 mph.

    High: 74 °F

    Dense Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A 10 percent chance of showers after 4am. Mostly cloudy, with a low around 67. South wind 10 to 15 mph.

    Low: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 75. South wind 10 to 15 mph.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 67. South wind around 10 mph.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 77. South wind around 10 mph.

    High: 77 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 53. Breezy, with a southwest wind 10 to 15 mph becoming north 15 to 20 mph after midnight.

    Low: 53 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 63. Breezy, with a north wind 15 to 20 mph.

    High: 63 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 73. South wind around 10 mph.
Tonight
Widespread dense fog, mainly after 3am. Otherwise, mostly cloudy, with a low around 66. South wind 10 to 15 mph.
Thursday
Widespread dense fog before 10am. Otherwise, partly sunny, with a high near 74. South wind around 15 mph.
Thursday Night
A 10 percent chance of showers after 4am. Mostly cloudy, with a low around 67. South wind 10 to 15 mph.
Friday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 75. South wind 10 to 15 mph.
Friday Night
Mostly cloudy, with a low around 67. South wind around 10 mph.
Saturday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 77. South wind around 10 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53. Breezy, with a southwest wind 10 to 15 mph becoming north 15 to 20 mph after midnight.
Sunday
Sunny, with a high near 63. Breezy, with a north wind 15 to 20 mph.
Sunday Night
Mostly clear, with a low around 45. Breezy, with a north wind 15 to 20 mph.
Monday
Sunny, with a high near 59. North wind around 15 mph.
Monday Night
Mostly clear, with a low around 44. North wind around 10 mph.
Tuesday
Sunny, with a high near 62. Northeast wind around 10 mph becoming southeast in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Dulac LA
 29.3°N 90.53°W
Last Update:
10:37 am CST Feb 18, 2026
Forecast Valid:
11am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
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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