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

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Partly Cloudy

89°F

32°C

Humidity 58%
Wind Speed W 3 mph
Barometer 30.07 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 20 Aug 11:15 am CDT
Extended Forecast for

4 Miles SE Empire LA

Heat Advisory August 20, 11:39am until August 20, 08:00pm
Extreme Heat Warning August 21, 11:00am until August 21, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory August 20, 11:39am until August 20, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Today

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 81. Southwest wind 5 to 10 mph.

    Low: 81 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 107. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 81. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 81 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. Northwest wind 5 to 10 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 81. West wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 81 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 94. Northwest wind around 5 mph becoming south in the afternoon.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 81. Southwest wind around 5 mph.

    Low: 81 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 93. West wind 5 to 10 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 81. Southwest wind 5 to 10 mph.
Friday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 107. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 81. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. Northwest wind 5 to 10 mph.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 81. West wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 94. Northwest wind around 5 mph becoming south in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 81. Southwest wind around 5 mph.
Monday
A chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. West wind around 5 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 81. Southwest wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 92. Southwest wind around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 80. South wind around 5 mph.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. West wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Empire LA
 29.36°N 89.56°W
Last Update:
11:22 am CDT Aug 20, 2026
Forecast Valid:
11am CDT Aug 20, 2026-6pm CDT Aug 26, 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