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

78°F

26°C

Humidity 83%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 16 Jun 8:35 pm CDT
Extended Forecast for

Donaldsonville LA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 89 °F

    Heavy Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 91. South wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 92 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 93 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely, mainly before 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 91. South wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Juneteenth
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Thursday Night
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers, then showers and thunderstorms likely after 1pm. Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely. Sunny, with a high near 92. East wind 5 to 10 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Monday
Showers and thunderstorms. Mostly sunny, with a high near 92. East wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Donaldsonville LA
 30.11°N 91°W
Last Update:
6:16 pm CDT Jun 16, 2025
Forecast Valid:
8pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
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