Hazardous Weather Conditions
Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Thunderstorm Light Rain in Vicinity
64°F
18°C
| Humidity | 92% |
| Wind Speed | N 17 G 31 mph |
| Barometer | 30.05 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 4.00 mi |
| Last update | 12 Mar 12:35 am CDT |
Extended Forecast for
15 Miles WSW Grand Isle LA
Tornado Watch March 12, 12:42am until March 12, 02:00am
NOW until 2:00am Thu
Tornado Watch
Overnight
Low: 56 °F
Severe
ThunderstormsThursday
High: 69 °F
Becoming
SunnyThursday Night
Low: 54 °F
Mostly Clear
Friday
High: 72 °F
Sunny
Friday Night
Low: 60 °F
Mostly Clear
Saturday
High: 76 °F
Sunny
Saturday Night
Low: 64 °F
Partly Cloudy
Sunday
High: 78 °F
Mostly Sunny
Detailed Forecast
Overnight
Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 3am. Some of the storms could be severe. Low around 56. Southwest wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. North wind around 15 mph, with gusts as high as 35 mph.
Thursday Night
Mostly clear, with a low around 54. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 72. Northeast wind around 5 mph becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 60. Calm wind becoming southeast around 5 mph.
Saturday
Sunny, with a high near 76. East wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 64. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 53. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Monday
A slight chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 65. Breezy, with a north wind 15 to 20 mph.
Monday Night
Mostly cloudy, with a low around 47. North wind around 15 mph.
Tuesday
Mostly sunny, with a high near 63. Northeast wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 52. East wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 69. East wind 5 to 10 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
15 Miles WSW Grand Isle LA
29.13°N 90.2°W
29.13°N 90.2°W
12:23 am CDT Mar 12, 2026
12am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
