National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rain Providing Some Relief to Drought-Stricken Southern U.S.

A storm tracking across the southern U.S. will continue to bring areas of heavy thunderstorms with risks for severe weather and excessive rainfall from Texas to Florida through this weekend. While much of this rainfall will be beneficial to the drought, excessive rainfall may bring areas of flash and urban flooding. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Light Rain

71°F

22°C

Humidity 90%
Wind Speed E 6 mph
Barometer 29.86 in
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 1 May 12:55 pm CDT
Extended Forecast for

South Lafourche Airport LA

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. East wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Low around 59. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 72. North wind around 15 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 55. North wind 5 to 10 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 74. Northeast wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. South wind 5 to 15 mph.

    High: 81 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. East wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Low around 59. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 72. North wind around 15 mph. Chance of precipitation is 30%.
Saturday Night
Clear, with a low around 55. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 74. Northeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 57. Calm wind.
Monday
Mostly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 63. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 81. South wind 5 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 70. South wind around 10 mph.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. South wind 10 to 15 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Northeast wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Lafourche Airport LA
 29.45°N 90.27°W
Last Update:
12:25 pm CDT May 1, 2026
Forecast Valid:
1pm CDT May 1, 2026-6pm CDT May 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation