Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving system in the central U.S. will bring a renewed period of locally heavy rain this weekend across much of the Plains. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality for much of the interior West, although fire weather conditions are generally improving in this region. Read More >

Hazardous Weather Conditions

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 SE 3 mph
Barometer 30.08 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Aug 7:35 pm CDT
Extended Forecast for

13 Miles WSW Grand Isle LA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 81. South wind 5 to 10 mph.

    Chance
    T-storms

    Low: 81 °F

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Cloudy, with a high near 88. Southwest wind 5 to 10 mph.  New rainfall amounts between three quarters and one inch possible.

    Chance
    T-storms

    High: 88 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 80. Southwest wind 5 to 10 mph.

    Chance
    T-storms

    Low: 80 °F

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 1pm.  Mostly cloudy, with a high near 88. Southwest wind 10 to 15 mph.  Chance of precipitation is 70%.

    T-storms
    Likely

    High: 88 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 80. South wind around 10 mph.

    Chance
    T-storms

    Low: 80 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. South wind 5 to 10 mph.

    Chance
    T-storms

    High: 87 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 82. South wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 82 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.

    Chance
    T-storms

    High: 90 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 80. West wind around 10 mph.

    Chance
    T-storms

    Low: 80 °F

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 81. South wind 5 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 88. Southwest wind 5 to 10 mph. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 80. Southwest wind 5 to 10 mph.
Sunday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 88. Southwest wind 10 to 15 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80. South wind around 10 mph.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. South wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 80. West wind around 10 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Northwest wind 5 to 10 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Southwest wind around 5 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. North wind around 5 mph becoming east in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southeast wind around 5 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Southeast wind 5 to 10 mph.
Click Map For Forecast
Point Forecast:
13 Miles WSW Grand Isle LA
 29.15°N 90.17°W
7:18 pm CDT Aug 17, 2018
7pm CDT Aug 17, 2018-6pm CDT Aug 24, 2018
 
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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