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

75°F

24°C

Humidity 98%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 20 May 1:15 am CDT
Extended Forecast for

2 Miles WNW Donaldsonville LA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, 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 quarter and half of an inch possible.

    High: 85 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. 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 after 7pm. Low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 72 °F

    Showers then
    Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 3am. Mostly cloudy, 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 quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. 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 after 7pm. Low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. High near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm.
Saturday
Showers and possibly a thunderstorm. High near 85. 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 74. South wind around 5 mph becoming calm.
Sunday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 84. South wind around 5 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph becoming calm.
Memorial Day
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind.
Tuesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Donaldsonville LA
 30.11°N 91.03°W
Last Update:
1:25 am CDT May 20, 2026
Forecast Valid:
1am 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