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Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Fair
82°F
28°C
| Humidity | 74% |
| Wind Speed | NE 13 G 21 mph |
| Barometer | 29.91 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 7 Oct 12:15 pm CDT |
Extended Forecast for
5 Miles WSW Grand Isle LA
This Afternoon

High: 83 °F
Partly Sunny
and BreezyTonight
Low: 81 °F
Mostly Cloudy
and Breezy
then Partly
CloudyThursday
High: 83 °F
Breezy.
Chance
Showers then
Showers
LikelyThursday Night

Low: 77 °F
Showers
Likely and
BreezyFriday

High: 82 °F
Tropical
Storm
Conditions
PossibleFriday Night

Low: 75 °F
T-storms and
WindySaturday

High: 82 °F
T-storms
LikelySaturday Night

Low: 76 °F
Chance
ShowersSunday

High: 83 °F
Chance
Showers
Detailed Forecast
This Afternoon
Partly sunny, with a high near 83. Breezy, with a northeast wind around 20 mph.
Tonight
Mostly cloudy, with a steady temperature around 81. Breezy, with a northeast wind 15 to 20 mph.
Thursday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Breezy, with a northeast wind 20 to 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 77. Breezy, with an east wind 20 to 25 mph. Chance of precipitation is 70%.
Friday
Tropical storm conditions possible. Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 75. Windy, with a north wind 25 to 35 mph decreasing to 15 to 25 mph after midnight. Chance of precipitation is 90%.
Saturday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 82. West wind around 15 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 76. Northwest wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 40%.
Sunday
A chance of showers, mainly before 1pm. Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 77. Northeast wind around 10 mph.
Columbus Day
A slight chance of showers. Mostly sunny, with a high near 83. East wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 78. Southeast wind around 5 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83. Northeast wind around 5 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles WSW Grand Isle LA
29.21°N 90.07°W
29.21°N 90.07°W
10:21 am CDT Oct 7, 2026
12pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026


