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

Heavy Rain and Strong Winds in the Northwest; Severe Thunderstorms and Excessive Rainfall in the Mississippi Valley

Areas of heavy rain and strong winds are ongoing in the Northwest. Showers and severe thunderstorms over parts of the Upper/Middle Mississippi Valley and Central Plains may produce damaging gusts, large hail, and localized areas of flash flooding. A heat wave will impact the southwest U.S. and California Central Valley. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

80°F

27°C

Humidity 85%
Wind Speed S 7 mph
Barometer 29.82 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 6 Jun 6:55 am CDT
Extended Forecast for

3 Miles NE Grand Isle LA

  • Today

    Today: Showers and thunderstorms, mainly before 4pm. High near 85. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a steady temperature around 83. West wind around 5 mph becoming north after midnight.

    Low: 83 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 80. Southwest wind around 5 mph becoming northeast after midnight.

    Low: 80 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 80. South wind around 5 mph.

    Low: 80 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86. West wind around 5 mph becoming south in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. South wind around 10 mph.

    Low: 79 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind 5 to 10 mph becoming east in the afternoon.

    High: 86 °F

    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm. High near 85. Southwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a steady temperature around 83. West wind around 5 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 87. Northeast wind around 5 mph becoming southeast in the afternoon.
Friday Night
Mostly clear, with a low around 80. Southwest wind around 5 mph becoming northeast after midnight.
Saturday
Sunny, with a high near 86. Northeast wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 80. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 86. West wind around 5 mph becoming south in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 79. South wind around 10 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind 5 to 10 mph becoming east in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Southeast wind around 10 mph becoming west after midnight.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 85. East wind around 10 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. East wind 5 to 10 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 87. East wind around 5 mph.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Grand Isle LA
 29.26°N 89.96°W
Last Update:
6:22 am CDT Jun 6, 2024
Forecast Valid:
7am CDT Jun 6, 2024-6pm CDT Jun 12, 2024
 
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