Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

91°F

33°C

Humidity 56%
Wind Speed E 3 mph
Barometer 30.12 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 15 Aug 5:35 pm CDT
Extended Forecast for

Cut Off LASimilar City Names

Extreme Heat Watch August 17, 11:00am until August 17, 08:00pm
Extreme Heat Warning August 16, 11:00am until August 16, 08:00pm
Extreme Heat Warning August 15, 05:47pm until August 15, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
...
  •  
    Extreme Heat Warning August 15, 05:47pm until August 15, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming south around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 95. Heat index values as high as 109. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 78. Southwest wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 95. West wind around 5 mph.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. West wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 94. West wind 5 to 10 mph.

    High: 94 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light and variable in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. Heat index values as high as 109. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. West wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 77. West wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77. West wind 5 to 10 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 77. Southwest wind around 5 mph.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 94. West wind around 5 mph becoming southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Cut Off LASimilar City Names
 29.52°N 90.34°W
5:20 pm CDT Aug 15, 2026
5pm CDT Aug 15, 2026-6pm CDT Aug 22, 2026
 
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Additional Resources

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