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.

Mostly Cloudy

78°F

26°C

Humidity 69%
Wind Speed SW 10 G 17 mph
Barometer 29.98 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Feb 12:35 pm CST
Extended Forecast for

11 Miles ESE Dulac LA

Wind Advisory February 21, 09:00pm until February 22, 03:00pm
Red Flag Warning February 22, 09:00am until February 22, 06:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 75. Southwest wind around 10 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 7pm and 8pm. Mostly cloudy, then gradually becoming clear, with a low around 49. Windy, with a west wind 10 to 20 mph becoming north 20 to 30 mph in the evening. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers and
    Windy

  • Sunday

    Sunday: Sunny, with a high near 60. Windy, with a north wind 20 to 30 mph.

    High: 60 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Breezy, with a north wind around 20 mph.

    Low: 41 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 56. Breezy, with a north wind 15 to 20 mph.

    High: 56 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. North wind 10 to 15 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60. Northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. South wind 10 to 15 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. South wind around 15 mph.

    High: 71 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 75. Southwest wind around 10 mph.
Tonight
A slight chance of showers between 7pm and 8pm. Mostly cloudy, then gradually becoming clear, with a low around 49. Windy, with a west wind 10 to 20 mph becoming north 20 to 30 mph in the evening. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 60. Windy, with a north wind 20 to 30 mph.
Sunday Night
Mostly clear, with a low around 41. Breezy, with a north wind around 20 mph.
Monday
Sunny, with a high near 56. Breezy, with a north wind 15 to 20 mph.
Monday Night
Mostly clear, with a low around 40. North wind 10 to 15 mph.
Tuesday
Sunny, with a high near 60. Northeast wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. South wind 10 to 15 mph.
Wednesday
Partly sunny, with a high near 71. South wind around 15 mph.
Wednesday Night
Mostly cloudy, with a low around 65. South wind around 15 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 73. South wind around 15 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. Southwest wind 10 to 15 mph becoming north after midnight.
Friday
A slight chance of showers. Mostly sunny, with a high near 70. North wind 10 to 15 mph becoming east 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:
11:33 am CST Feb 21, 2026
Forecast Valid:
12pm CST Feb 21, 2026-6pm CST Feb 27, 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