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

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Mostly Cloudy

89°F

32°C

Humidity 70%
Wind Speed NW 9 mph
Barometer 30.05 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 25 Aug 11:55 am CDT
Extended Forecast for

South Vacherie LA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 92. Heat index values as high as 108. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    T-storms
    Likely then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 40%.

    Low: 76 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 91. Calm wind becoming west around 5 mph. Chance of precipitation is 90%.

    High: 91 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 90. Calm wind. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 92. Heat index values as high as 108. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 111. Calm wind becoming northwest around 5 mph.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 40%.
Thursday
Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 91. Calm wind becoming west around 5 mph. Chance of precipitation is 90%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 90. Calm wind. Chance of precipitation is 80%.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. Calm wind.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming east around 5 mph.
Saturday Night
Partly cloudy, with a low around 75. Calm wind.
Sunday
A chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming east around 5 mph.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Vacherie LA
 29.94°N 90.67°W
Last Update:
11:36 am CDT Aug 25, 2026
Forecast Valid:
12pm CDT Aug 25, 2026-6pm CDT Aug 31, 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