Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Mostly Cloudy
79°F
26°C
| Humidity | 70% |
| Wind Speed | E 12 G 18 mph |
| Barometer | 30.14 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 3 Apr 2:35 pm CDT |
Extended Forecast for
15 Miles WSW Grand Isle LA
This Afternoon

High: 80 °F
Mostly Sunny
Tonight

Low: 69 °F
Partly Cloudy
Saturday

High: 81 °F
Chance
T-storms and
Patchy FogSaturday Night

Low: 67 °F
Showers
LikelySunday

High: 77 °F
Showers and
Patchy FogSunday Night
Low: 58 °F
Chance
T-storms then
Chance
ShowersMonday

High: 70 °F
Chance
ShowersMonday Night

Low: 59 °F
Slight Chance
ShowersTuesday
High: 74 °F
Partly Sunny
then Slight
Chance
Showers and
Breezy
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 80. East wind around 15 mph.
Tonight
Partly cloudy, with a low around 69. East wind around 10 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Southeast wind around 10 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. Patchy fog before 8am. High near 77. Light and variable wind becoming north 5 to 10 mph in the morning. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Cloudy, with a low around 58. Northeast wind 10 to 15 mph. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers. Cloudy, with a high near 70. Northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers after 1pm. Partly sunny, with a high near 74. Breezy, with an east wind 15 to 20 mph.
Tuesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 63. East wind 10 to 15 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 74. Breezy, with an east wind 15 to 20 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 64. East wind around 15 mph, with gusts as high as 25 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. East wind around 15 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
15 Miles WSW Grand Isle LA
29.13°N 90.2°W
29.13°N 90.2°W
2:01 pm CDT Apr 3, 2026
2pm CDT Apr 3, 2026-6pm CDT Apr 9, 2026


