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👉 NWS New Orleans Will Update Public, Marine and Fire Weather Forecast Zones in April 2026

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Overcast

71°F

22°C

Humidity	84%
Wind Speed	E 9 G 17 mph
Barometer	30.17 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	30 Mar 5:15 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NE Grand Isle LA

Overnight
Low: 69 °F
Chance
Showers
Monday
High: 75 °F
Showers
Likely
Monday Night
Low: 73 °F
Slight Chance
T-storms then
Chance
Showers
Tuesday
High: 75 °F
Showers
Tuesday Night
Low: 70 °F
Chance
T-storms
Wednesday
High: 75 °F
Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 71 °F
Chance
Showers
Thursday
High: 76 °F
Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind around 15 mph.

Monday

Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 75. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a steady temperature around 73. Southeast wind around 10 mph.

Tuesday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 75. Southeast wind around 10 mph. Chance of precipitation is 80%.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southeast wind around 10 mph.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 75. Southeast wind around 10 mph. Chance of precipitation is 60%.

Wednesday Night

A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 71. Southeast wind around 15 mph. Chance of precipitation is 30%.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. Southeast wind around 15 mph.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southeast wind around 15 mph.

Friday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Southeast wind around 15 mph.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind 10 to 15 mph.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 76. Southeast wind 10 to 15 mph.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 10 mph.