Heavy rain and thunderstorms from the central Gulf Coast to Southeast U.S. early this week

Thunderstorms with heavy rain are expected from eastern TX across the Lower Miss. Valley to the Southeast U.S. on Monday. This rain could lead to flash flooding. Some of the thunderstorms could be severe in this area, producing damaging wind and tornadoes. Meanwhile, heavy rain will also spread into the Northwest U.S., with heavy snow in the higher elevations of the Cascades and northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Overcast

63°F

17°C

Humidity 90%
Wind Speed E 7 mph
Barometer 29.70 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 5 Dec 7:15 pm CST
Extended Forecast for

2 Miles NE Grand Isle LA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight.  Mostly cloudy, with a steady temperature around 67. Breezy, with a south wind 10 to 15 mph becoming west 20 to 25 mph after midnight.  Chance of precipitation is 30%.

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

    Low: 67 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 66. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon.

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

    High: 66 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 60. Northwest wind 5 to 10 mph becoming northeast after midnight.

    Partly Cloudy

    Low: 60 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. East wind 5 to 10 mph becoming southeast in the afternoon.

    Mostly Sunny

    High: 68 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 59. Southeast wind around 10 mph becoming northeast after midnight.

    Partly Cloudy

    Low: 59 °F

  • Thursday

    Thursday: A 40 percent chance of showers.  Partly sunny, with a high near 62. Breezy.

    Chance
    Showers and
    Breezy

    High: 62 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 45. Breezy.

    Mostly Clear
    and Breezy

    Low: 45 °F

  • Friday

    Friday: Sunny, with a high near 53. Breezy.

    Sunny and
    Breezy

    High: 53 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 49.

    Mostly Clear

    Low: 49 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a steady temperature around 67. Breezy, with a south wind 10 to 15 mph becoming west 20 to 25 mph after midnight. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 66. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 60. Northwest wind 5 to 10 mph becoming northeast after midnight.
Wednesday
Mostly sunny, with a high near 68. East wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59. Southeast wind around 10 mph becoming northeast after midnight.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 62. Breezy.
Thursday Night
Mostly clear, with a low around 45. Breezy.
Friday
Sunny, with a high near 53. Breezy.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 61.
Sunday
Partly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
A chance of showers. Mostly sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
2 Miles NE Grand Isle LA
 29.26°N 89.96°W
7:17 pm CST Dec 5, 2016
7pm CST Dec 5, 2016-6pm CST Dec 12, 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