Flash Flood Threat to Persist in the 4-Corners; Heat Threat in Several Regions

The threat of flash flooding will continue to exist into Monday across the Southwest into the the central Rockies as monsoon conditions persist. Dangerous heat will be in place across the Intermountain West, northern Plains, and into the southern Plains and Lower Mississippi River Valley into early week. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

88°F

31°C

Humidity 64%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 25 Jul 2:55 pm CDT
Extended Forecast for

2 Miles NE Grand Isle LA

  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88. West wind around 10 mph becoming east.

    Chance
    T-storms

    High: 88 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a steady temperature around 85. South wind 5 to 10 mph.

    Chance
    T-storms then
    Partly Cloudy

    Low: 85 °F

  • Monday

    Monday: Sunny, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    Sunny

    High: 88 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 81. South wind 5 to 10 mph.

    Mostly Clear

    Low: 81 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 88. East wind 5 to 10 mph.

    Sunny then
    Slight Chance
    T-storms

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 82. Southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 82 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely.  Mostly sunny, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 81. South wind 5 to 10 mph.

    Chance
    T-storms

    Low: 81 °F

  • Thursday

    Thursday: Showers and thunderstorms likely.  Mostly sunny, with a high near 87. West wind 5 to 10 mph becoming south in the afternoon.

    T-storms
    Likely

    High: 87 °F

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. West wind around 10 mph becoming east.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a steady temperature around 85. South wind 5 to 10 mph.
Monday
Sunny, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Monday Night
Mostly clear, with a low around 81. South wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. East wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 82. Southeast wind 5 to 10 mph.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81. South wind 5 to 10 mph.
Thursday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. West wind 5 to 10 mph becoming south in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Southwest wind around 10 mph.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 88. West wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 81. Southwest wind around 10 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind around 10 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southwest wind 10 to 15 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. West wind 10 to 15 mph.
Click Map For Forecast
Point Forecast:
2 Miles NE Grand Isle LA
 29.26°N 89.96°W
2:21 pm CDT Jul 25, 2021
3pm CDT Jul 25, 2021-6pm CDT Aug 1, 2021
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database