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.

Overcast

62°F

17°C

Humidity 80%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 29 Nov 9:35 pm CST
Extended Forecast for

11 Miles ESE Dulac LA

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Southeast wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly between noon and 3pm. Increasing clouds, with a high near 74. Southeast wind 5 to 10 mph becoming northeast in the afternoon.

    High: 74 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Cloudy, with a low around 60. Northeast wind 10 to 15 mph.

    Low: 60 °F

    Slight Chance
    Showers then
    Cloudy

  • Monday

    Monday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. Northeast wind 10 to 15 mph. Chance of precipitation is 60%.

    High: 71 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Low around 57. Northeast wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon. Partly sunny, with a high near 65. North wind around 15 mph.

    High: 65 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. Northeast wind around 10 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. East wind around 10 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 58. East wind 5 to 10 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. Southeast wind 5 to 10 mph.
Sunday
A 30 percent chance of showers, mainly between noon and 3pm. Increasing clouds, with a high near 74. Southeast wind 5 to 10 mph becoming northeast in the afternoon.
Sunday Night
A 20 percent chance of showers before midnight. Cloudy, with a low around 60. Northeast wind 10 to 15 mph.
Monday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. Northeast wind 10 to 15 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Low around 57. Northeast wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%.
Tuesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 65. North wind around 15 mph.
Tuesday Night
Partly cloudy, with a low around 49. Northeast wind around 10 mph.
Wednesday
Mostly sunny, with a high near 66. East wind around 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 58. East wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. East wind 10 to 15 mph.
Thursday Night
A chance of showers and thunderstorms. Cloudy, with a low around 60. East wind around 15 mph.
Friday
Showers likely. Mostly cloudy, with a high near 69. East wind 10 to 15 mph becoming west in the afternoon.
Friday Night
A chance of showers. Mostly cloudy, with a low around 60. North wind 10 to 15 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 71. Southwest wind around 10 mph.
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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:
9:37 pm CST Nov 29, 2025
Forecast Valid:
9pm CST Nov 29, 2025-6pm CST Dec 6, 2025
 
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