Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

3°F

-16°C

Humidity 89%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 1°F (-17°C)
Visibility 7.00 mi
Last update 2 Dec 2:15 am CST
Extended Forecast for

2 Miles SW Lower Brule SD

  • Overnight

    Overnight: Patchy fog before 5am.  Otherwise, mostly cloudy, with a low around 7. Calm wind becoming south southwest around 6 mph.

    Low: 7 °F

    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of rain after 3pm.  Mostly cloudy, with a high near 34. South southwest wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 11pm, then a chance of freezing rain between 11pm and midnight, then a slight chance of snow after midnight.  Cloudy, with a low around 12. West wind 13 to 18 mph becoming north after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 40%.

    Low: 12 °F

    Chance
    Rain/Freezing
    Rain then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 19. North wind 9 to 18 mph, with gusts as high as 26 mph.

    High: 19 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -1. North northwest wind 6 to 10 mph becoming south southeast after midnight.

    Low: -1 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 33. South southeast wind around 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19. West wind around 11 mph.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 35. West wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 35 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. Northwest wind 10 to 13 mph becoming southeast after midnight.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 7. Calm wind becoming south southwest around 6 mph.
Tuesday
A slight chance of rain after 3pm. Mostly cloudy, with a high near 34. South southwest wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of rain before 11pm, then a chance of freezing rain between 11pm and midnight, then a slight chance of snow after midnight. Cloudy, with a low around 12. West wind 13 to 18 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 19. North wind 9 to 18 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around -1. North northwest wind 6 to 10 mph becoming south southeast after midnight.
Thursday
Mostly sunny, with a high near 33. South southeast wind around 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 19. West wind around 11 mph.
Friday
Mostly cloudy, with a high near 35. West wind 10 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 18. Northwest wind 10 to 13 mph becoming southeast after midnight.
Saturday
A slight chance of snow before noon. Mostly cloudy, with a high near 27. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lower Brule SD
 44.05°N 99.61°W (Elev. 1736 ft)
1:26 am CST Dec 2, 2025
2am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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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