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

Heavy Rainfall and Flooding in the Southwest and Four Corners; Unsettled Weather in Florida

Heavy to excessive rainfall will continue today across portions of the Southwest and Four Corners Region, leading to flash, urban and small stream flooding. Significant river flooding is expected through Monday. Heavy rainfall is expected across southern and eastern Florida through Monday, with isolated flash flooding possible. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Mostly Cloudy

75°F

24°C

Humidity 89%
Wind Speed E 10 mph
Barometer 30.10 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 1 Nov 9:15 pm CST
Extended Forecast for

Galliano LA

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 68. East wind around 5 mph.

    Low: 68 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 7am and 8am. Partly sunny, with a high near 81. East wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 81. Calm wind becoming southwest around 5 mph.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. West wind around 5 mph becoming calm.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. Calm wind becoming northwest around 5 mph.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 68. East wind around 5 mph.
Monday
A slight chance of showers between 7am and 8am. Partly sunny, with a high near 81. East wind 5 to 15 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 69. East wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 81. Calm wind becoming southwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 60. West wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph.
Thursday Night
Partly cloudy, with a low around 58. Calm wind becoming northwest around 5 mph.
Friday
Mostly sunny, with a high near 78. North wind around 5 mph becoming calm in the afternoon.
Friday Night
Partly cloudy, with a low around 55. Calm wind becoming northeast around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 75. Northeast wind around 5 mph.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 54. Calm wind becoming north around 5 mph after midnight.
Sunday
A slight chance of showers. Mostly sunny, with a high near 75. North wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Galliano LA
 29.43°N 90.29°W
Last Update:
6:45 pm CST Nov 1, 2026
Forecast Valid:
9pm CST Nov 1, 2026-6pm CST Nov 8, 2026
 
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