Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Thunderstorm

77°F

25°C

Humidity 87%
Wind Speed SE 3 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Jul 3:15 am CDT
Extended Forecast for

Galliano LA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 78. Calm wind.

    Low: 78 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms.  High near 91. Light southwest wind increasing to 5 to 10 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly before 4pm.  High near 86. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 90%.

    High: 86 °F

    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 74. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 87. Northwest wind around 5 mph becoming southwest in the afternoon.  Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 78. Calm wind.
Sunday
Showers and thunderstorms. High near 91. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Monday
Showers and thunderstorms, mainly before 4pm. High near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%.
Monday Night
A slight chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 74. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 87. Northwest wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Northwest wind around 5 mph becoming southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Galliano LA
 29.45°N 90.32°W
2:01 am CDT Jul 12, 2026
3am CDT Jul 12, 2026-6pm CDT Jul 18, 2026
 
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