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

86°F

30°C

Humidity 55%
Wind Speed SW 3 mph
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 May 5:55 pm CDT
Extended Forecast for

2 Miles SSW Donaldsonville LA

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South wind 5 to 10 mph becoming light in the evening.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 84. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 84 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Southeast wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 85 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Southeast wind 5 to 15 mph.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

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

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. South wind 5 to 10 mph becoming light in the evening.
Saturday
Partly sunny, with a high near 84. Light southeast wind becoming south 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 68. Southeast wind around 5 mph.
Sunday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Southeast wind 5 to 15 mph.
Monday Night
Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Calm wind becoming east around 5 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Donaldsonville LA
 30.06°N 91°W
Last Update:
2:02 pm CDT May 15, 2026
Forecast Valid:
6pm CDT May 15, 2026-6pm CDT May 22, 2026
 
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Additional Resources

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Chance of Precipitation