Heavy Rain and Thunderstorms in the Plains; Tropical Moisture Brings Heavy Rain to Southern California and Southwest

Heavy rain showers and thunderstorms, some severe, will persist across the Plains and Mississippi Valley through Friday. Increasing tropical moisture from the remnants of Mario will bring showers, thunderstorms, and a flash flooding threat across much of southern California into the Desert Southwest through Friday. Read More >

Current conditions at

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Overcast

75°F

24°C

Humidity 90%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 17 Sep 7:15 pm CDT
Extended Forecast for

2 Miles WNW Donaldsonville LA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 68. Calm wind.

    Low: 68 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. East wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. Southeast wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. South wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 68. Calm wind.
Thursday
Sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 69. Southeast wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 94. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69. South wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 71. South wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming northeast 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
6:21 pm CDT Sep 17, 2025
7pm CDT Sep 17, 2025-6pm CDT Sep 24, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database