National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along the Northeastern Seaboard. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

44°F

7°C

Humidity 33%
Wind Speed S 16 G 20 mph
Barometer 30.07 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 23 Feb 4:15 pm CST
Extended Forecast for

Lower Brule SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. South southeast wind 11 to 14 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. South southeast wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 37 mph.

    High: 47 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. North northwest wind 6 to 13 mph becoming east after midnight.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 38. East southeast wind 7 to 14 mph. Chance of precipitation is 50%.

    High: 38 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. East wind 10 to 13 mph becoming west in the evening.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Breezy, with a west wind 14 to 22 mph, with gusts as high as 30 mph.

    High: 54 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. Southwest wind 10 to 13 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 58. Breezy, with a west wind 13 to 20 mph becoming north in the afternoon. Winds could gust as high as 29 mph.

    High: 58 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. South southeast wind 11 to 14 mph.
Tonight
Mostly cloudy, with a low around 29. South southeast wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 47. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 20. North northwest wind 6 to 13 mph becoming east after midnight.
Wednesday
A chance of snow. Mostly cloudy, with a high near 38. East southeast wind 7 to 14 mph. Chance of precipitation is 50%.
Wednesday Night
Mostly clear, with a low around 24. East wind 10 to 13 mph becoming west in the evening.
Thursday
Sunny, with a high near 54. Breezy, with a west wind 14 to 22 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 33. Southwest wind 10 to 13 mph.
Friday
Mostly sunny, with a high near 58. Breezy, with a west wind 13 to 20 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Friday Night
A chance of snow after midnight. Mostly cloudy, with a low around 16. Blustery. Chance of precipitation is 30%.
Saturday
A slight chance of snow. Partly sunny, with a high near 28. Chance of precipitation is 20%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 9. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 27. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lower Brule SD
 44.07°N 99.58°W (Elev. 1444 ft)
Last Update:
3:36 pm CST Feb 23, 2026
Forecast Valid:
4pm CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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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