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.

Fair

81°F

27°C

Humidity 74%
Wind Speed SE 6 mph
Barometer 29.92 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Jun 2:55 am CDT
Extended Forecast for

13 Miles WSW Grand Isle LA

Coastal Flood Advisory June 18, 01:00am until June 19, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Breezy, with a southeast wind around 20 mph.

    Low: 76 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: Showers and thunderstorms likely before 9am, then showers and possibly a thunderstorm between 9am and 4pm, then showers and thunderstorms likely after 4pm. High near 88. Southeast wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 88 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 11pm, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a low around 78. East wind around 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 89. Breezy, with an east wind 15 to 25 mph. Chance of precipitation is 80%.

    High: 89 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. Breezy, with an east wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely and
    Breezy

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm. High near 89. Breezy, with an east wind 20 to 25 mph. Chance of precipitation is 90%.

    High: 89 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. Breezy, with an east wind 15 to 25 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Breezy, with an east wind 10 to 20 mph.

    Low: 78 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Breezy, with a southeast wind around 20 mph.
Monday
Showers and thunderstorms likely before 9am, then showers and possibly a thunderstorm between 9am and 4pm, then showers and thunderstorms likely after 4pm. High near 88. Southeast wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and thunderstorms likely, mainly before 11pm, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a low around 78. East wind around 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm. High near 89. Breezy, with an east wind 15 to 25 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. Breezy, with an east wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Juneteenth
Showers and possibly a thunderstorm. High near 89. Breezy, with an east wind 20 to 25 mph. Chance of precipitation is 90%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. Breezy, with an east wind 15 to 25 mph. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Breezy, with an east wind 10 to 20 mph.
Friday
Showers likely and possibly a thunderstorm. Sunny, with a high near 90. East wind 10 to 15 mph.
Friday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 78. East wind 5 to 10 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. East wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Sunday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. East wind 5 to 10 mph.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles WSW Grand Isle LA
 29.15°N 90.17°W
Last Update:
2:41 am CDT Jun 17, 2024
Forecast Valid:
3am CDT Jun 17, 2024-6pm CDT Jun 23, 2024
 
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