Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Fair
78°F
26°C
| Humidity | 87% |
| Wind Speed | S 3 mph |
| Barometer | 30.03 in |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 18 Jun 5:55 am CDT |
Extended Forecast for
Grand Isle LA
Today
High: 87 °F
Chance
T-stormsTonight
Low: 85 °F
Chance
T-stormsJuneteenth
High: 85 °F
Showers
LikelyThursday Night
Low: 82 °F
Slight Chance
T-stormsFriday
High: 88 °F
Chance
T-stormsFriday Night
Low: 82 °F
Slight Chance
T-stormsSaturday
High: 87 °F
Chance
T-stormsSaturday Night
Low: 82 °F
Chance
T-stormsSunday
High: 87 °F
Showers
Likely
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny, with a high near 87. South wind around 10 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a steady temperature around 85. South wind around 10 mph.
Juneteenth
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a steady temperature around 85. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southwest wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 88. West wind around 5 mph becoming east in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 82. South wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 87. Southeast wind 5 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 82. Southeast wind around 10 mph.
Sunday
Showers likely and possibly a thunderstorm. Sunny, with a high near 87. Southeast wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 82. Southeast wind around 10 mph.
Monday
Showers and possibly a thunderstorm. Mostly sunny, with a high near 88. Southeast wind 10 to 15 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind 10 to 15 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 87. East wind 10 to 15 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grand Isle LA
29.23°N 89.99°W
29.23°N 89.99°W
6:01 am CDT Jun 18, 2025
6am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
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