Hazardous Weather Conditions
Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Fair
79°F
26°C
| Humidity | 79% |
| Wind Speed | SE 6 mph |
| Barometer | 30.05 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 13 Oct 6:15 pm CDT |
Extended Forecast for
4 Miles SW Grand Isle LA
Dense Fog Advisory October 14, 04:00am until October 14, 10:00am
Tonight
Low: 76 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 77 °F
Mostly Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 76 °F
Partly Cloudy
Friday
High: 82 °F
Slight Chance
T-storms then
Slight Chance
ShowersFriday Night
Low: 68 °F
Partly Cloudy
then Partly
Cloudy and
WindySaturday
High: 75 °F
Sunny and
WindySaturday Night
Low: 72 °F
Mostly Clear
and Breezy
Detailed Forecast
Tonight
Mostly clear, with a low around 76. Southeast wind around 5 mph.
Wednesday
Sunny, with a high near 82. East wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind around 10 mph.
Thursday
Sunny, with a high near 82. East wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 76. East wind 5 to 10 mph.
Friday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 82. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 68. Windy, with a light northeast wind becoming north 25 to 30 mph after midnight.
Saturday
Sunny, with a high near 75. Windy, with a northeast wind 25 to 30 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 72. Breezy, with a northeast wind 20 to 25 mph.
Sunday
A chance of showers after 1pm. Mostly sunny, with a high near 78. Breezy, with an east wind 20 to 25 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 75. Windy, with an east wind 25 to 30 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Windy, with an east wind 25 to 30 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 76. Breezy, with an east wind 20 to 25 mph.
Tuesday
A chance of showers. Mostly sunny, with a high near 79. Breezy, with an east wind 20 to 25 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SW Grand Isle LA
29.19°N 90.04°W
29.19°N 90.04°W
6:24 pm CDT Oct 13, 2026
6pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
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