Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

19°F

-7°C

Humidity 51%
Wind Speed N 9 mph
Barometer 30.53 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 21 Feb 7:55 pm CST
Extended Forecast for

11 Miles N Gann Valley SD

  • Tonight

    Tonight: Scattered flurries before 9pm.  Mostly clear, with a low around 3. North northwest wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 3 °F

    Scattered
    Flurries

  • Sunday

    Sunday: Sunny, with a high near 21. North northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 21 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 3. North wind 7 to 9 mph becoming east southeast after midnight.

    Low: 3 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 38. Breezy, with a south southeast wind 9 to 14 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 29 mph.

    High: 38 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. South wind 10 to 13 mph becoming west after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. West wind 10 to 18 mph becoming north northwest in the afternoon.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after midnight.  Mostly cloudy, with a low around 22. North northwest wind 14 to 16 mph.  Chance of precipitation is 20%.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow.  Partly sunny, with a high near 42. Breezy, with a northwest wind 16 to 23 mph.  Chance of precipitation is 40%.

    High: 42 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A slight chance of snow before midnight.  Partly cloudy, with a low around 23. North northwest wind 16 to 18 mph becoming west after midnight.  Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Tonight
Scattered flurries before 9pm. Mostly clear, with a low around 3. North northwest wind 11 to 15 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 21. North northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 3. North wind 7 to 9 mph becoming east southeast after midnight.
Monday
Sunny, with a high near 38. Breezy, with a south southeast wind 9 to 14 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 26. South wind 10 to 13 mph becoming west after midnight.
Tuesday
Mostly cloudy, with a high near 53. West wind 10 to 18 mph becoming north northwest in the afternoon.
Tuesday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 22. North northwest wind 14 to 16 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Partly sunny, with a high near 42. Breezy, with a northwest wind 16 to 23 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 23. North northwest wind 16 to 18 mph becoming west after midnight. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 51. Breezy.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 55. Breezy.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 36. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Gann Valley SD
 44.19°N 98.96°W (Elev. 2014 ft)
7:36 pm CST Feb 21, 2026
8pm CST Feb 21, 2026-6pm CST Feb 28, 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