National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Partly Cloudy

83°F

28°C

Humidity 76%
Wind Speed SW 7 mph
Barometer 29.85 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 27 Jun 12:15 am CDT
Extended Forecast for

13 Miles WSW Grand Isle LA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 81. Southwest wind around 10 mph.

    Low: 81 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 89. West wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 77. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Southwest wind around 10 mph. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 79. South wind 5 to 10 mph.

    Low: 79 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind around 5 mph becoming north in the morning.

    High: 90 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming west after midnight.

    Low: 78 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 81. Southwest wind around 10 mph.
Thursday
A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 89. West wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 77. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Southwest wind around 10 mph. Chance of precipitation is 70%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 79. South wind 5 to 10 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 79. South wind around 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind around 5 mph becoming north in the morning.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming west after midnight.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northwest wind around 5 mph becoming southwest in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 80. Southwest wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 81. South wind around 5 mph.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 92. South wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WSW Grand Isle LA
 29.15°N 90.17°W
Last Update:
9:26 pm CDT Jun 26, 2024
Forecast Valid:
12am CDT Jun 27, 2024-6pm CDT Jul 3, 2024
 
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