Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Partly Cloudy

84°F

29°C

Humidity 77%
Wind Speed S 3 mph
Barometer 29.93 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 23 Jul 7:55 pm CDT
Extended Forecast for

2 Miles NE Grand Isle LA

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 82. South wind around 5 mph.

    Chance
    T-storms

    Low: 82 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 87. West wind 5 to 10 mph becoming south in the afternoon.

    Chance
    T-storms

    High: 87 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 82. South wind around 5 mph becoming southeast after midnight.

    Slight Chance
    T-storms then
    Chance
    T-storms

    Low: 82 °F

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 7am.  Mostly cloudy, with a high near 86. Southeast wind 5 to 10 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 86 °F

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 80. South wind 5 to 10 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 80 °F

  • Tuesday

    Tuesday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 81.

    Chance
    T-storms

    Low: 81 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87.

    Chance
    T-storms

    High: 87 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 84.

    Slight Chance
    T-storms

    Low: 84 °F

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 82. South wind around 5 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. West wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 82. South wind around 5 mph becoming southeast after midnight.
Monday
Showers and thunderstorms likely, mainly after 7am. Mostly cloudy, with a high near 86. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 80. South wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 81.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 84.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 83.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82.
Saturday
A 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
7:17 pm CDT Jul 23, 2016
8pm CDT Jul 23, 2016-6pm CDT Jul 30, 2016
 
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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