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 coastal areas from the DelMarVa Peninsula through southeastern New England. 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

23°F

-5°C

Humidity 41%
Wind Speed N 8 mph
Barometer 30.72 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 22 Feb 4:55 pm CST
Extended Forecast for

Lower Brule SD

  • Tonight

    Tonight: Partly cloudy, with a low around 7. North northeast wind 6 to 13 mph becoming southeast after midnight.

    Low: 7 °F

    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 44. Southeast wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 44 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. South southeast wind 6 to 9 mph becoming west after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 51. Breezy, with a west northwest wind 16 to 26 mph.

    High: 51 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. Northwest wind 8 to 14 mph becoming east southeast after midnight.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain and snow likely, mainly after noon.  Mostly cloudy, with a high near 42. East southeast wind 9 to 14 mph becoming northwest in the afternoon.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. Blustery, with a northwest wind 16 to 20 mph.

    Low: 21 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Breezy, with a west northwest wind 16 to 25 mph.

    High: 54 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. West southwest wind around 14 mph.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. North northeast wind 6 to 13 mph becoming southeast after midnight.
Monday
Increasing clouds, with a high near 44. Southeast wind 10 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 28. South southeast wind 6 to 9 mph becoming west after midnight.
Tuesday
Mostly cloudy, with a high near 51. Breezy, with a west northwest wind 16 to 26 mph.
Tuesday Night
Partly cloudy, with a low around 22. Northwest wind 8 to 14 mph becoming east southeast after midnight.
Wednesday
Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 42. East southeast wind 9 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 21. Blustery, with a northwest wind 16 to 20 mph.
Thursday
Sunny, with a high near 54. Breezy, with a west northwest wind 16 to 25 mph.
Thursday Night
Partly cloudy, with a low around 31. West southwest wind around 14 mph.
Friday
Mostly sunny, with a high near 58. Breezy.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 18. Blustery. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Mostly cloudy, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Lower Brule SD
 44.07°N 99.58°W (Elev. 1444 ft)
4:36 pm CST Feb 22, 2026
5pm CST Feb 22, 2026-6pm CST Mar 1, 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