Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Active Weather Continues in the West; Potent Cold Front to Move Through the East this Weekend

A complex weather system will continue to bring active conditions over the Western U.S. through early Saturday, including more heavy snowfall through the Rockies. Farther east, a potent cold front will advance through the Ohio Valley Saturday, bringing rain and a few strong thunderstorms. As the front clears the east coast on Sunday, colder and gusty conditions will return. Read More >

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

65°F

18°C

Humidity 90%
Wind Speed SE 3 mph
Barometer 30.03 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 17 Nov 8:55 pm CST
Extended Forecast for

2 Miles NE Grand Isle LA

  • Tonight

    Tonight: Partly cloudy, with a low around 71. South wind 10 to 15 mph.

    Partly Cloudy

    Low: 71 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 78. Breezy, with a southwest wind 15 to 20 mph.

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 78 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Breezy, with a southwest wind 15 to 25 mph becoming north after midnight. Winds could gust as high as 35 mph.  Chance of precipitation is 40%.

    Breezy.
    Chance
    Showers then
    Partly Cloudy

    Low: 61 °F

  • Sunday

    Sunday: Sunny, with a high near 63. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.

    Sunny and
    Breezy

    High: 63 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 55. North wind around 15 mph.

    Mostly Clear

    Low: 55 °F

  • Monday

    Monday: Mostly sunny, with a high near 66.

    Mostly Sunny

    High: 66 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 63.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 63 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after noon.  Mostly cloudy, with a high near 72.

    Chance
    Showers

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 62.

    Chance
    Showers

    Low: 62 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. South wind 10 to 15 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 78. Breezy, with a southwest wind 15 to 20 mph.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Breezy, with a southwest wind 15 to 25 mph becoming north after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 63. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.
Sunday Night
Mostly clear, with a low around 55. North wind around 15 mph.
Monday
Mostly sunny, with a high near 66.
Monday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 72.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Mostly cloudy, with a high near 69. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57. Breezy.
Thanksgiving Day
A slight chance of showers. Partly sunny, with a high near 65. Breezy.
Thursday Night
Mostly cloudy, with a low around 56. Breezy.
Friday
Partly sunny, with a high near 66.
Click Map For Forecast
Point Forecast:
2 Miles NE Grand Isle LA
 29.26°N 89.96°W
8:18 pm CST Nov 17, 2017
9pm CST Nov 17, 2017-6pm CST Nov 24, 2017
 
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