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

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

88°F

31°C

Humidity 58%
Wind Speed E 5 mph
Barometer 30.02 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 8 Oct 3:55 pm CDT
Extended Forecast for

3 Miles WSW Galliano Heliport LA

  • Tonight

    Tonight: Partly cloudy, with a low around 70. North wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Northeast wind 10 to 15 mph.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. Northeast wind 5 to 10 mph.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Northeast wind 10 to 15 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Northeast wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Northeast wind around 10 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. East wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Northeast wind around 5 mph becoming east in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 86. Northeast wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 69. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 83. Northeast wind 10 to 15 mph.
Friday Night
Mostly clear, with a low around 65. Northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 82. Northeast wind around 10 mph.
Saturday Night
Mostly clear, with a low around 64. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 83. Northeast wind around 5 mph becoming east in the afternoon.
Sunday Night
Clear, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.
Columbus Day
Sunny, with a high near 84. East wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 66. East wind around 5 mph.
Tuesday
Sunny, with a high near 86. Northeast wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 66. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 85. East wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Galliano Heliport LA
 29.38°N 90.35°W
Last Update:
12:26 pm CDT Oct 8, 2025
Forecast Valid:
4pm CDT Oct 8, 2025-6pm CDT Oct 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation