National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Partly Cloudy

78°F

26°C

Humidity 60%
Wind Speed S 10 mph
Barometer 30.07 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Dec 12:15 pm CST
Extended Forecast for

11 Miles ESE Dulac LA

Dense Fog Advisory December 28, 12:00am until December 28, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 74. South wind 5 to 10 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 67. South wind 5 to 10 mph.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of showers between 2pm and 5pm. Increasing clouds, with a high near 74. South wind around 10 mph. Chance of precipitation is 20%.

    High: 74 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 54. South wind 5 to 15 mph becoming northwest after midnight.

    Low: 54 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before noon. Partly sunny, with a high near 63. Breezy, with a north wind 15 to 20 mph.

    High: 63 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. Breezy, with a north wind around 20 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 51. Breezy, with a north wind 10 to 20 mph.

    High: 51 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. North wind around 10 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54. North wind 5 to 10 mph becoming west in the afternoon.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 74. South wind 5 to 10 mph.
Tonight
Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 67. South wind 5 to 10 mph.
Sunday
A slight chance of showers between 2pm and 5pm. Increasing clouds, with a high near 74. South wind around 10 mph. Chance of precipitation is 20%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54. South wind 5 to 15 mph becoming northwest after midnight.
Monday
A 20 percent chance of showers before noon. Partly sunny, with a high near 63. Breezy, with a north wind 15 to 20 mph.
Monday Night
Partly cloudy, with a low around 38. Breezy, with a north wind around 20 mph.
Tuesday
Sunny, with a high near 51. Breezy, with a north wind 10 to 20 mph.
Tuesday Night
Mostly clear, with a low around 38. North wind around 10 mph.
Wednesday
Sunny, with a high near 54. North wind 5 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 44. West wind around 5 mph.
New Year's Day
Sunny, with a high near 60. Northwest wind around 5 mph becoming south in the morning.
Thursday Night
Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming southeast after midnight.
Friday
Mostly sunny, with a high near 65. Southeast 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:
11:33 am CST Dec 27, 2025
Forecast Valid:
12pm CST Dec 27, 2025-6pm CST Jan 2, 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