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

77°F

25°C

Humidity 94%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 May 11:55 pm CDT
Extended Forecast for

Napoleonville LA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a steady temperature around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 85. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before midnight, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly after 1am. Low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 72 °F

    Showers then
    Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a steady temperature around 75. Calm wind.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 85. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and thunderstorms likely before midnight, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly after 1am. Low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening.
Saturday
Showers and possibly a thunderstorm. High near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind.
Sunday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.
Memorial Day
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Napoleonville LA
 29.95°N 91.03°W
Last Update:
11:35 pm CDT May 19, 2026
Forecast Valid:
12am CDT May 20, 2026-6pm CDT May 26, 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