National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

N/A

Humidity NA
Wind Speed SE 5 mph
Barometer 29.97 in
Dewpoint N/A
Visibility 10.00 mi
Last update 2 Jan 7:15 pm CST
Extended Forecast for

11 Miles N Gann Valley SD

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 18. East southeast wind around 5 mph becoming south southwest after midnight.

    Low: 18 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 29. South southwest wind 5 to 8 mph becoming north in the afternoon.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17. East northeast wind 7 to 17 mph becoming southeast after midnight. Winds could gust as high as 26 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48. Southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. West wind 6 to 9 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47. South southwest wind 6 to 8 mph becoming north in the afternoon.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. North northeast wind 7 to 9 mph becoming northwest after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. West wind 7 to 10 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. South wind 6 to 9 mph.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 18. East southeast wind around 5 mph becoming south southwest after midnight.
Saturday
Mostly sunny, with a high near 29. South southwest wind 5 to 8 mph becoming north in the afternoon.
Saturday Night
Partly cloudy, with a low around 17. East northeast wind 7 to 17 mph becoming southeast after midnight. Winds could gust as high as 26 mph.
Sunday
Partly sunny, with a high near 48. Southeast wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 27. West wind 6 to 9 mph.
Monday
Partly sunny, with a high near 47. South southwest wind 6 to 8 mph becoming north in the afternoon.
Monday Night
Mostly cloudy, with a low around 28. North northeast wind 7 to 9 mph becoming northwest after midnight.
Tuesday
Sunny, with a high near 46. West wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 27. South wind 6 to 9 mph.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 38.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 20%.
Friday
A chance of snow. Partly sunny, with a high near 31. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Gann Valley SD
 44.19°N 98.96°W (Elev. 2014 ft)
Last Update:
6:36 pm CST Jan 2, 2026
Forecast Valid:
7pm CST Jan 2, 2026-6pm CST Jan 9, 2026
 
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Additional Resources

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Chance of Precipitation