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Hazardous Weather Conditions
Current conditions at
Galliano, South Lafourche Airport (KGAO)
Lat: 29.44°NLon: 90.26°WElev: 0ft.
Fog/Mist
77°F
25°C
| Humidity | 94% |
| Wind Speed | SE 8 mph |
| Barometer | 29.98 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 2.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 4 Oct 8:35 am CDT |
Extended Forecast for
3 Miles WSW Grand Isle LA
Flood Watch October 4, 08:46am until October 5, 12:00am
NOW until 12:00am Mon
Flood Watch
Today
High: 83 °F
Showers
Tonight
Low: 80 °F
Chance
Showers then
Chance
T-stormsMonday
High: 80 °F
Chance
T-storms then
Showers
LikelyMonday Night
Low: 77 °F
Showers
LikelyTuesday
High: 83 °F
Showers
LikelyTuesday Night
Low: 77 °F
Chance
ShowersWednesday
High: 83 °F
Chance
T-storms and
BreezyWednesday Night
Low: 78 °F
Slight Chance
T-storms and
Breezy
Detailed Forecast
Today
Showers and possibly a thunderstorm. High near 83. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a steady temperature around 80. Northeast wind 5 to 10 mph. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a steady temperature around 80. Northeast wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms, then showers likely after 10pm. Mostly cloudy, with a low around 77. Northeast wind 10 to 15 mph. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Northeast wind around 15 mph. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Northeast wind around 15 mph. Chance of precipitation is 40%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy, with a northeast wind around 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Breezy, with a northeast wind around 20 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy, with a northeast wind 20 to 25 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with an east wind 20 to 25 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Windy, with an east wind 25 to 30 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 77. Windy, with an east wind 25 to 30 mph.
Saturday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 83. Windy, with an east wind 20 to 30 mph.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Grand Isle LA
29.21°N 90.04°W
29.21°N 90.04°W
1:58 am CDT Oct 4, 2026
8am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
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Hourly Weather Forecast
