Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

34°F

1°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.70 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 26 Dec 10:15 pm CST
Extended Forecast for

11 Miles N Gann Valley SD

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South wind 10 to 13 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49. South southwest wind 7 to 10 mph becoming northwest in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after midnight.  Mostly cloudy, with a low around 11. Blustery, with a north northwest wind 9 to 14 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 20%.

    Low: 11 °F

    Blustery.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A slight chance of snow before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 16. Windy, with a northwest wind 28 to 31 mph, with gusts as high as 41 mph.  Chance of precipitation is 20%.

    High: 16 °F

    Slight Chance
    Snow and
    Blustery then
    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 2. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 34 mph.

    Low: 2 °F

    Partly Cloudy
    and Blustery

  • Monday

    Monday: Sunny, with a high near 18. Northwest wind 8 to 18 mph.

    High: 18 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12. West southwest wind 7 to 11 mph.

    Low: 12 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. West wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 14. Northwest wind 10 to 13 mph.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. South wind 10 to 13 mph.
Saturday
Mostly sunny, with a high near 49. South southwest wind 7 to 10 mph becoming northwest in the afternoon.
Saturday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 11. Blustery, with a north northwest wind 9 to 14 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Sunday
A slight chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a high near 16. Windy, with a northwest wind 28 to 31 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 2. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 34 mph.
Monday
Sunny, with a high near 18. Northwest wind 8 to 18 mph.
Monday Night
Partly cloudy, with a low around 12. West southwest wind 7 to 11 mph.
Tuesday
Partly sunny, with a high near 39. West wind 13 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 14. Northwest wind 10 to 13 mph.
Wednesday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 0.
New Year's Day
Mostly sunny, with a high near 12.
Thursday Night
Mostly cloudy, with a low around 4.
Friday
Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Gann Valley SD
 44.19°N 98.96°W (Elev. 2014 ft)
9:46 pm CST Dec 26, 2025
10pm CST Dec 26, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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