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.

Fair

87°F

31°C

Humidity 71%
Wind Speed NE 3 mph
Barometer 30.09 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 9 Aug 9:15 am CDT
Extended Forecast for

3 Miles SW Napoleonville LA

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 93. Heat index values as high as 106. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 1pm and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 92 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 93. Heat index values as high as 106. Calm wind becoming southeast around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind.
Monday
Showers and thunderstorms likely, mainly between 1pm and 4pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 96. Calm wind becoming southwest around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Napoleonville LA
 29.9°N 91.06°W
Last Update:
5:51 am CDT Aug 9, 2026
Forecast Valid:
9am CDT Aug 9, 2026-6pm CDT Aug 15, 2026
 
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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