Winter Weather Brings Dangerous Travel Conditions Across the Northern U.S.

Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Light Snow

22°F

-6°C

Humidity 99%
Wind Speed SE 18 mph
Barometer 30.16 in
Dewpoint 22°F (-6°C)
Visibility 2.50 mi
Wind Chill8°F (-13°C)
Last update 28 Nov 1:15 pm CST
Extended Forecast for

Gann Valley SD

Winter Weather Advisory until November 29, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until November 29, 12:00pm

    NOW until 12:00pm Sat

    Winter Weather Advisory

  • This Afternoon

    High: 23 °F

    Snow Likely

  • Tonight

    Tonight: Snow, mainly after 3am.  Low around 17. East southeast wind 9 to 14 mph becoming northeast after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Chance Snow
    then Snow

  • Saturday

    Saturday: Snow, mainly before noon.  High near 21. North wind 10 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 15. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 15 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 3. South southeast wind 5 to 8 mph.

    Low: 3 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 23. South wind 8 to 10 mph becoming west southwest in the afternoon.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 2. West wind 3 to 7 mph.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow likely. Cloudy, with a high near 23. East southeast wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly after 3am. Low around 17. East southeast wind 9 to 14 mph becoming northeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Snow, mainly before noon. High near 21. North wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Mostly cloudy, with a low around 4. Northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 15. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 3. South southeast wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 23. South wind 8 to 10 mph becoming west southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 2. West wind 3 to 7 mph.
Tuesday
Partly sunny, with a high near 29. South wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly cloudy, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 0.
Thursday
Partly sunny, with a high near 28.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Gann Valley SD
 44.04°N 98.98°W (Elev. 1709 ft)
1:01 pm CST Nov 28, 2025
1pm CST Nov 28, 2025-6pm CST Dec 4, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database