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

76°F

24°C

Humidity 80%
Wind Speed SE 6 mph
Barometer 30.07 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 2 Apr 8:55 am CDT
Extended Forecast for

11 Miles ESE Dulac LA

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 78. Southeast wind around 15 mph.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. Southeast wind around 15 mph.

    Low: 72 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 79. Southeast wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. Southeast wind 10 to 15 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 80. Southeast wind 10 to 15 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 76. North wind 5 to 15 mph. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Cloudy, with a low around 61. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A chance of showers, mainly before 1pm. Cloudy, with a high near 67. Breezy, with a northeast wind 15 to 25 mph.

    High: 67 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 78. Southeast wind around 15 mph.
Tonight
Mostly cloudy, with a low around 72. Southeast wind around 15 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 79. Southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 72. Southeast wind 10 to 15 mph.
Saturday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 80. Southeast wind 10 to 15 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 76. North wind 5 to 15 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms. Cloudy, with a low around 61. Breezy, with a northeast wind 15 to 20 mph. Chance of precipitation is 40%.
Monday
A chance of showers, mainly before 1pm. Cloudy, with a high near 67. Breezy, with a northeast wind 15 to 25 mph.
Monday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 59. Northeast wind around 15 mph.
Tuesday
Mostly sunny, with a high near 74. Breezy, with a northeast wind 15 to 20 mph.
Tuesday Night
Mostly cloudy, with a low around 62. Breezy, with an east wind 15 to 20 mph.
Wednesday
A chance of showers. Mostly sunny, with a high near 74. Breezy, with an east wind 20 to 25 mph.
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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:
5:24 am CDT Apr 2, 2026
Forecast Valid:
9am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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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