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

58°F

14°C

Humidity 91%
Wind Speed N 9 mph
Barometer 29.93 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 1 Dec 8:35 pm CST
Extended Forecast for

11 Miles ESE Dulac LA

  • Tonight

    Tonight: Showers, mainly before midnight. Low around 50. Breezy, with a northeast wind 10 to 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Showers then
    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a steady temperature around 55. Breezy, with a north wind 15 to 20 mph.

    High: 55 °F

    Partly Sunny
    and Breezy
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. North wind around 10 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. East wind around 10 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Cloudy, with a low around 61. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 69. East wind 10 to 15 mph. Chance of precipitation is 90%.

    High: 69 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 59. East wind 10 to 15 mph becoming southwest after midnight. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. West wind around 10 mph becoming north in the afternoon. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Cloudy, with a low around 55. North wind around 10 mph.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers, mainly before midnight. Low around 50. Breezy, with a northeast wind 10 to 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a steady temperature around 55. Breezy, with a north wind 15 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 46. North wind around 10 mph.
Wednesday
Mostly sunny, with a high near 67. East wind around 10 mph.
Wednesday Night
Showers likely, mainly after midnight. Cloudy, with a low around 61. East wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 69. East wind 10 to 15 mph. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 59. East wind 10 to 15 mph becoming southwest after midnight. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. West wind around 10 mph becoming north in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers likely, mainly before midnight. Cloudy, with a low around 55. North wind around 10 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 67. North wind around 10 mph.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Northeast wind 5 to 10 mph becoming southwest after midnight.
Sunday
Mostly sunny, with a high near 71. Northwest wind around 10 mph.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 56. North wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 65. Northeast wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Dulac LA
 29.3°N 90.53°W
Last Update:
5:40 pm CST Dec 1, 2025
Forecast Valid:
8pm CST Dec 1, 2025-6pm CST Dec 8, 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