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 80%
Wind Speed SW 3 mph
Barometer 30.12 in
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 19 Jun 8:55 am CDT
Extended Forecast for

4 Miles W Donaldsonville LA

  • Juneteenth

    Juneteenth: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 93. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 70%.

    High: 93 °F

    Sunny then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Sunny, with a high near 92. Light east wind increasing to 5 to 10 mph in the morning.

    High: 92 °F

    Slight Chance
    T-storms then
    Showers

Detailed Forecast

Juneteenth
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Sunday
Showers likely and possibly a thunderstorm after 1pm. Sunny, with a high near 93. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 70%.
Sunday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Sunny, with a high near 92. Light east wind increasing to 5 to 10 mph in the morning.
Monday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. East wind 5 to 10 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Donaldsonville LA
 30.09°N 91.06°W
Last Update:
6:21 am CDT Jun 19, 2025
Forecast Valid:
9am CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation