


Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Fair
28°C
82°F
Humidity | 78% |
Wind Speed | Calm |
Barometer | 29.96 in |
Dewpoint | 23°C (74°F) |
Visibility | 16 km |
Heat Index | 31°C (88°F) |
Last update | 2 Jul 7:35 pm CDT |
Extended Forecast for
13 Miles WSW Grand Isle LA
Tonight
Low: 27 °C
Chance
T-stormsThursday
High: 32 °C
Chance
T-storms then
Chance
ShowersThursday Night
Low: 27 °C
Slight Chance
Showers then
Chance
T-stormsIndependence Day
High: 32 °C
Chance
T-stormsFriday Night
Low: 27 °C
Chance
ShowersSaturday
High: 32 °C
Chance
ShowersSaturday Night
Low: 27 °C
Slight Chance
Showers then
Chance
T-stormsSunday
High: 32 °C
Showers
LikelySunday Night
Low: 27 °C
Chance
Showers then
Chance
T-storms
Detailed Forecast
Tonight
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 27. West wind 10 to 15 km/h. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32. Northwest wind around 10 km/h.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 27. Calm wind. Chance of precipitation is 40%.
Independence Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32. North wind around 10 km/h.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32. North wind around 10 km/h becoming southeast in the afternoon.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 27. Calm wind. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 32. Northeast wind 5 to 10 km/h becoming southeast in the afternoon. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 27. Southeast wind 5 to 10 km/h.
Monday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 31. Southeast wind 5 to 15 km/h.
Monday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 27. South wind 5 to 10 km/h.
Tuesday
Showers and possibly a thunderstorm. Mostly sunny, with a high near 31. Southwest wind 5 to 15 km/h.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 27. Southwest wind 5 to 10 km/h.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 32. Southwest wind 5 to 15 km/h.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
13 Miles WSW Grand Isle LA
29.15°N 90.17°W
29.15°N 90.17°W
6:20 pm CDT Jul 2, 2025
7pm CDT Jul 2, 2025-6pm CDT Jul 9, 2025