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

Severe Thunderstorms in the High Plains and Upper Midwest; Excessive Rainfall Along the Texas Coast; Dangerous Heat Wave From the Midwest to the Northeast

Strong to severe thunderstorms will continue through Monday evening in the northern Plains and shift to the central Plains and Upper Midwest Tuesday. Hail and damaging winds will be the main threats. A system in the Western Gulf Coast will bring multiple rounds of heavy rainfall to the Texas coast the next several days. A long duration heat wave will bring impacts to the Midwest and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Partly Cloudy

79°F

26°C

Humidity 89%
Wind Speed E 3 mph
Barometer 29.89 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Jun 2:35 am CDT
Extended Forecast for

Galliano LA

Coastal Flood Advisory until June 19, 04:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until June 19, 04:00pm

    NOW until 4:00pm Wed

    Coastal Flood Advisory

  • Overnight

    Low: 76 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Breezy, with an east wind 15 to 20 mph.

    Low: 78 °F

    Chance
    Showers and
    Breezy

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Breezy, with an east wind 20 to 25 mph. Chance of precipitation is 70%.

    High: 90 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with an east wind 15 to 20 mph.

    Low: 77 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: Showers and thunderstorms likely. Partly sunny, with a high near 89. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 70%.

    High: 89 °F

    T-storms
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. East wind 5 to 15 mph.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Sunny, with a high near 91. East wind 10 to 15 mph.

    High: 91 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 76. East wind around 10 mph.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Breezy, with an east wind 15 to 20 mph.
Juneteenth
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 90. Breezy, with an east wind 20 to 25 mph. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Breezy, with an east wind 15 to 20 mph.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Breezy, with an east wind 15 to 20 mph. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. East wind 5 to 15 mph.
Friday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 91. East wind 10 to 15 mph.
Friday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 75. East wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 91. East wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 76. Southeast wind around 5 mph becoming calm after midnight.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Southeast wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind 5 to 10 mph.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Southeast wind 5 to 10 mph.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Galliano LA
 29.45°N 90.29°W
Last Update:
1:02 am CDT Jun 18, 2024
Forecast Valid:
2am CDT Jun 18, 2024-6pm CDT Jun 24, 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