High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

-1°F

-18°C

Humidity 59%
Wind Speed NW 9 mph
Barometer 30.47 in
Dewpoint -12°F (-24°C)
Visibility 10.00 mi
Wind Chill-16°F (-27°C)
Last update 25 Jan 5:55 pm CST
Extended Forecast for

11 Miles N Gann Valley SD

Cold Weather Advisory January 26, 12:00am until January 26, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Mostly clear, with a low around -12. Wind chill values as low as -30. North northwest wind 7 to 14 mph becoming south southwest after midnight.

    Low: -12 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 25. Wind chill values as low as -27. South southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.

    High: 25 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. Northwest wind around 15 mph, with gusts as high as 23 mph.

    Low: 1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 14. Northwest wind 7 to 14 mph.

    High: 14 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4. West wind around 7 mph.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 18. North wind 7 to 11 mph.

    High: 18 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 2. North northeast wind around 7 mph becoming southeast after midnight.

    Low: 2 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow.  Partly sunny, with a high near 14. East northeast wind 8 to 11 mph.  Chance of precipitation is 20%.

    High: 14 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -5. Northeast wind around 10 mph.

    Low: -5 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -12. Wind chill values as low as -30. North northwest wind 7 to 14 mph becoming south southwest after midnight.
Monday
Sunny, with a high near 25. Wind chill values as low as -27. South southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Mostly clear, with a low around 1. Northwest wind around 15 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 14. Northwest wind 7 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 4. West wind around 7 mph.
Wednesday
Partly sunny, with a high near 18. North wind 7 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 2. North northeast wind around 7 mph becoming southeast after midnight.
Thursday
A slight chance of snow. Partly sunny, with a high near 14. East northeast wind 8 to 11 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around -5. Northeast wind around 10 mph.
Friday
A slight chance of snow before noon. Mostly sunny, with a high near 12. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 2.
Saturday
A slight chance of snow. Partly sunny, with a high near 29. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 36.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Gann Valley SD
 44.19°N 98.96°W (Elev. 2014 ft)
5:36 pm CST Jan 25, 2026
6pm CST Jan 25, 2026-6pm CST Feb 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