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

Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

89°F

32°C

Humidity 68%
Wind Speed S 10 mph
Barometer 29.96 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 19 Jun 5:35 pm CDT
Extended Forecast for

10 Miles SSE Golden Meadow LA

Heat Advisory June 19, 05:42pm until June 19, 07:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory June 19, 05:42pm until June 19, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Tonight

    Low: 81 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 82. South wind 5 to 10 mph.

    Low: 82 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. South wind around 10 mph.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 82. South wind around 10 mph.

    Low: 82 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 89. Southwest wind around 10 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Southwest wind 5 to 10 mph.

    High: 92 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 81. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 89. South wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers before 8pm. Mostly cloudy, with a low around 82. South wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 89. South wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 82. South wind around 10 mph.
Monday
Sunny, with a high near 89. Southwest wind around 10 mph.
Monday Night
Mostly clear, with a low around 81. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 92. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southwest wind 5 to 10 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 79. Southwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSE Golden Meadow LA
 29.24°N 90.22°W
Last Update:
2:03 pm CDT Jun 19, 2026
Forecast Valid:
5pm CDT Jun 19, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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