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.

Partly Cloudy

83°F

28°C

Humidity 59%
Wind Speed SE 13 G 18 mph
Barometer 30.04 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 5 Mar 3:35 pm CST
Extended Forecast for

Donaldsonville LA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Southeast wind around 10 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph.

    Low: 67 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Southeast wind 5 to 15 mph.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Increasing clouds, with a low around 69. Southeast wind 5 to 10 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 84 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Slight Chance
    T-storms then
    Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Southeast wind around 10 mph.
Tonight
Mostly cloudy, with a low around 67. Southeast wind 5 to 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. Southeast wind 5 to 15 mph.
Friday Night
Increasing clouds, with a low around 69. Southeast wind 5 to 10 mph.
Saturday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 67. Calm wind.
Monday
A slight chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83. Light southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 68. Southeast wind around 5 mph.
Tuesday
Partly sunny, with a high near 84. South wind 5 to 15 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 10 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind 5 to 15 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind around 10 mph becoming north after midnight.
Thursday
A slight chance of showers. Mostly sunny, with a high near 74. North wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Donaldsonville LA
 30.11°N 91°W
Last Update:
1:33 pm CST Mar 5, 2026
Forecast Valid:
3pm CST Mar 5, 2026-6pm CDT Mar 12, 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