Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44° N Lon: 90.26° W Elev: 0 ft.

Fair

50°F

10°C

Humidity 70%
Wind Speed S 6 mph
Barometer 30.15 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 24 Feb 6:15 pm CST
Detailed forecast for

Coastal Jefferson

Tonight
Mostly clear this evening, then becoming partly cloudy. Not as cool with lows in the lower 50s. Temperature rising into the lower 60s after midnight. Southwest winds 15 to 20 mph.
Wednesday
Mostly sunny. Not as cool with highs in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Wednesday Night
Mostly cloudy with a 20 percent chance of showers. Not as cool with lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph.
Thursday
Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 70s. South winds 15 to 20 mph. Chance of rain 20 percent.
Thursday Night
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s. Southwest winds 10 to 15 mph.
Friday
Mostly cloudy in the morning, then clearing. A chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. Chance of rain 50 percent.
Friday Night Through Monday Night
Mostly clear. Lows around 60. Highs in the mid 70s.
Tuesday
Mostly sunny. Highs in the mid 70s.



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435 PM CST Tue Feb 24 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database