Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

35°F

2°C

Humidity 84%
Wind Speed E 3 mph
Barometer 29.70 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 7 Jan 12:55 am CST
Extended Forecast for

Lower Brule SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. Calm wind becoming southwest around 6 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52. Southwest wind around 7 mph becoming south southeast in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 31. South wind 6 to 10 mph becoming north after midnight.

    Low: 31 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, with a high near 40. North wind 10 to 13 mph.

    High: 40 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. North wind around 9 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 38. West northwest wind 9 to 17 mph.

    High: 38 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21. West northwest wind 14 to 17 mph.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 28 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 18. North northwest wind 9 to 13 mph becoming west southwest after midnight.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. Calm wind becoming southwest around 6 mph.
Wednesday
Mostly sunny, with a high near 52. Southwest wind around 7 mph becoming south southeast in the afternoon.
Wednesday Night
Increasing clouds, with a low around 31. South wind 6 to 10 mph becoming north after midnight.
Thursday
Cloudy, with a high near 40. North wind 10 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 25. North wind around 9 mph.
Friday
Partly sunny, with a high near 38. West northwest wind 9 to 17 mph.
Friday Night
Mostly cloudy, with a low around 21. West northwest wind 14 to 17 mph.
Saturday
Mostly sunny, with a high near 31. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 18. North northwest wind 9 to 13 mph becoming west southwest after midnight.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Lower Brule SD
 44.07°N 99.58°W (Elev. 1444 ft)
1:01 am CST Jan 7, 2026
1am CST Jan 7, 2026-6pm CST Jan 13, 2026
 
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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