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

81°F

27°C

Humidity 89%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 23 Aug 5:35 am CDT
Extended Forecast for

11 Miles SE Golden Meadow LA

Heat Advisory August 23, 11:00am until August 23, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 95. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 95 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 80. Southwest wind around 5 mph becoming calm in the evening.

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. West wind around 5 mph becoming calm.

    Low: 78 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 91. West wind around 5 mph. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm. Mostly clear, with a low around 78. Calm wind. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.

    Low: 78 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the morning.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 95. Northwest wind around 5 mph becoming southwest in the afternoon.
Tonight
Partly cloudy, with a low around 80. Southwest wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. West wind around 5 mph becoming calm.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 91. West wind around 5 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 78. Calm wind. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the morning.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76. Calm wind.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Calm wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming south around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Golden Meadow LA
 29.26°N 90.17°W
Last Update:
1:57 am CDT Aug 23, 2026
Forecast Valid:
5am CDT Aug 23, 2026-6pm CDT Aug 29, 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