Preview of NWS' New Point Forecast Icons
Effective July 7, 2015, NWS will implement changes to the icons depicted on all of its Point Forecast pages. Highlights will include new icons with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

You may preview these updates in real time for this location. View additional details, and send any comments to icons@noaa.gov.

Please note the preview site is not operational, so performance may be slow during periods of peak access.

Heavy Rain and a Few Severe Thunderstorms Across Nation's Mid-Section Wednesday

A slow-moving front will bring multiple rounds of thunderstorms across parts of the Missouri River Valley into the Mid-Mississippi and the Tennessee River Valleys through Wednesday night. Local flooding from the heavy rains can be expected in some areas, so Flash Flood Watches are in effect. In addition, some of the stronger storms may produce damaging winds, large hail, and isolated tornadoes.
Read More...

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Partly Cloudy

87°F

31°C

Humidity 69%
Wind Speed NA
Barometer 30.08 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 1 Jul 6:15 pm CDT
Extended Forecast for

2 Miles NE Grand Isle LA

  • Tonight

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 79 °F

  • Thursday

    Partly Sunny

    Partly
    Sunny

    High: 88 °F

  • Thursday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 80 °F

  • Friday

    Mostly Sunny

    Mostly
    Sunny

    High: 88 °F

  • Friday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 80 °F

  • Independence
    Day

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 87 °F

  • Saturday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 82 °F

  • Sunday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 87 °F

  • Sunday
    Night

    Partly Cloudy

    Partly
    Cloudy

    Low: 82 °F

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southwest wind around 5 mph.
Thursday
Partly sunny, with a high near 88. Southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 88. Light southwest wind becoming south 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 80. South wind around 10 mph.
Independence Day
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 82.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 82.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 82.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 80.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
  Click Map For Forecast
Point Forecast:
2 Miles NE Grand Isle LA
 29.26°N 89.96°W
6:17 pm CDT Jul 1, 2015
7pm CDT Jul 1, 2015-6pm CDT Jul 8, 2015
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database