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.

Partly Cloudy

83°F

28°C

Humidity 73%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 8 Oct 6:15 pm CDT
Extended Forecast for

Galliano LA

  • Tonight

    Tonight: Partly cloudy, with a low around 71. North wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Northeast wind 10 to 15 mph.

    High: 87 °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 63. East wind around 5 mph becoming calm in the evening.

    Low: 63 °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 65. Southeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 87. 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 63. 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 65. 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
Clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. East wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 66. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 86. Northeast wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galliano LA
 29.45°N 90.29°W
Last Update:
12:26 pm CDT Oct 8, 2025
Forecast Valid:
6pm CDT Oct 8, 2025-6pm CDT Oct 15, 2025
 
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