Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Overcast
65°F
18°C
| Humidity | 81% |
| Wind Speed | N 18 G 24 mph |
| Barometer | 30.10 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 19 Apr 5:35 am CDT |
Extended Forecast for
2 Miles NE Grand Isle LA
Overnight

Low: 68 °F
Chance
T-storms and
BreezySunday
High: 71 °F
Breezy.
Chance
T-storms then
Partly SunnySunday Night

Low: 65 °F
Partly Cloudy
and BreezyMonday

High: 73 °F
Partly Sunny
and BreezyMonday Night

Low: 68 °F
Partly Cloudy
Tuesday

High: 76 °F
Partly Sunny
Tuesday Night

Low: 69 °F
Mostly Cloudy
Wednesday
High: 74 °F
Slight Chance
Showers then
Slight Chance
T-stormsWednesday Night

Low: 69 °F
Partly Cloudy
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 68. Breezy, with a north wind around 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and noon. Mostly cloudy, with a high near 71. Breezy, with a northeast wind 20 to 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 65. Breezy, with a northeast wind around 20 mph.
Monday
Partly sunny, with a high near 73. Breezy, with an east wind 15 to 20 mph.
Monday Night
Partly cloudy, with a low around 68. East wind 10 to 15 mph.
Tuesday
Partly sunny, with a high near 76. Southeast wind around 15 mph.
Tuesday Night
Mostly cloudy, with a low around 69. Southeast wind 10 to 15 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 69. Southeast wind around 15 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 75. Southeast wind around 15 mph.
Thursday Night
Partly cloudy, with a low around 71. Southeast wind around 15 mph.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. South wind around 15 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind 10 to 15 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. South wind around 10 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NE Grand Isle LA
29.26°N 89.96°W
29.26°N 89.96°W
4:57 am CDT Apr 19, 2026
5am CDT Apr 19, 2026-6pm CDT Apr 25, 2026


