Hazardous Weather Conditions
Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Overcast
76°F
24°C
| Humidity | 81% |
| Wind Speed | S 16 G 22 mph |
| Barometer | 29.97 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 11 Mar 7:55 pm CDT |
Extended Forecast for
15 Miles WSW Grand Isle LA
Tornado Watch until March 12, 02:00am
NOW until 2:00am Thu
Tornado Watch
Tonight
Low: 55 °F
Showers
Likely then
ShowersThursday

High: 68 °F
Becoming
SunnyThursday Night

Low: 55 °F
Mostly Clear
Friday

High: 72 °F
Sunny
Friday Night

Low: 60 °F
Mostly Clear
Saturday

High: 74 °F
Mostly Sunny
Saturday Night

Low: 64 °F
Partly Cloudy
Sunday

High: 79 °F
Sunny
Detailed Forecast
Tonight
Showers and thunderstorms, mainly before 2am. Low around 55. South wind around 10 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 68. North wind around 15 mph, with gusts as high as 35 mph.
Thursday Night
Mostly clear, with a low around 55. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 72. East wind around 5 mph becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 60. Calm wind.
Saturday
Mostly sunny, with a high near 74. Calm wind becoming east around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 64. Southeast wind around 5 mph.
Sunday
Sunny, with a high near 79. South wind 5 to 10 mph.
Sunday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58. Southwest wind 5 to 10 mph becoming northwest after midnight.
Monday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 70. North wind 10 to 15 mph.
Monday Night
Mostly cloudy, with a low around 49. North wind around 15 mph.
Tuesday
Mostly sunny, with a high near 65. Northeast wind around 15 mph.
Tuesday Night
Mostly clear, with a low around 53. East wind 5 to 10 mph.
Wednesday
Sunny, with a high near 70. East wind 5 to 10 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
7:06 pm CDT Mar 11, 2026
8pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026



