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.

A Few Clouds

77°F

25°C

Humidity 83%
Wind Speed SE 8 mph
Barometer 30.05 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Oct 9:55 pm CDT
Extended Forecast for

6 Miles ESE Montegut LA

Dense Fog Advisory October 15, 01:00am until October 15, 11:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 69. Southeast wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. East wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. East wind around 5 mph becoming calm after midnight.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 86. Northeast wind around 5 mph.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59. Breezy, with a light north wind increasing to 20 to 25 mph in the evening.

    Low: 59 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 73. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 73 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Northeast wind 10 to 15 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Breezy, with a northeast wind 15 to 20 mph.

    High: 76 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. Northeast wind around 15 mph.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 86. East wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 70. East wind around 5 mph becoming calm after midnight.
Friday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 86. Northeast wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 59. Breezy, with a light north wind increasing to 20 to 25 mph in the evening.
Saturday
Sunny, with a high near 73. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 57. Northeast wind 10 to 15 mph.
Sunday
Mostly sunny, with a high near 76. Breezy, with a northeast wind 15 to 20 mph.
Sunday Night
Partly cloudy, with a low around 62. Northeast wind around 15 mph.
Monday
A slight chance of showers after 1pm. Mostly sunny, with a high near 79. Breezy, with an east wind 15 to 20 mph.
Monday Night
Partly cloudy, with a low around 64. East wind 10 to 15 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82. Breezy, with an east wind 15 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 65. East wind around 10 mph.
Wednesday
A slight chance of showers. Sunny, with a high near 83. Northeast wind 10 to 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Montegut LA
 29.45°N 90.48°W
Last Update:
7:46 pm CDT Oct 14, 2026
Forecast Valid:
10pm CDT Oct 14, 2026-6pm CDT Oct 21, 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