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.

Fair

79°F

26°C

Humidity 52%
Wind Speed S 8 mph
Barometer 30.15 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 26 Mar 12:35 pm CDT
Extended Forecast for

South Lafourche Airport LA

Dense Fog Advisory March 27, 01:00am until March 27, 09:00am
Click here for hazard details and duration
Dense Fog Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Light and variable wind becoming north 5 to 10 mph after midnight.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. North wind around 15 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. East wind 5 to 10 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 77. East wind 5 to 15 mph.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79. Southeast wind 5 to 15 mph.

    High: 79 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 80. South wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 62. South wind around 5 mph becoming calm in the evening.
Friday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 59. Light and variable wind becoming north 5 to 10 mph after midnight.
Saturday
Sunny, with a high near 75. North wind around 15 mph.
Saturday Night
Mostly clear, with a low around 58. East wind 5 to 10 mph.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 77. East wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 63. East wind around 10 mph, with gusts as high as 20 mph.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 79. Southeast wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 65. Southeast wind 5 to 10 mph.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southeast wind 5 to 15 mph.
Tuesday Night
Mostly cloudy, with a low around 64. Southeast wind around 5 mph.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. South wind 5 to 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lafourche Airport LA
 29.45°N 90.27°W
Last Update:
12:15 pm CDT Mar 26, 2026
Forecast Valid:
12pm CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
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