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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Overcast

23°F

-5°C

Humidity 100%
Wind Speed NE 6 mph
Barometer 29.94 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 1 Jan 5:35 pm CST
Extended Forecast for

11 Miles N Gann Valley SD

  • New Year's Day

    New Year's Day: A chance of flurries. Partly sunny, with a steady temperature around 18. North wind around 7 mph.

    High: 18 °F

    Chance
    Flurries

  • Tonight

    Tonight: Patchy fog between 9pm and midnight. Otherwise, cloudy, with a low around 13. North wind around 7 mph becoming east after midnight.

    Low: 13 °F

    Patchy Fog
    then Cloudy

  • Friday

    Friday: Cloudy, with a high near 22. East wind 6 to 10 mph.

    High: 22 °F

    Cloudy

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 16. East wind around 6 mph becoming south southwest after midnight.

    Low: 16 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 32. South southwest wind 6 to 9 mph becoming north northeast in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. Northeast wind 7 to 16 mph becoming southeast after midnight.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 44. Southeast wind 9 to 17 mph becoming west northwest in the afternoon.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Northwest wind 6 to 8 mph becoming south after midnight.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. South wind 7 to 9 mph.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

New Year's Day
A chance of flurries. Partly sunny, with a steady temperature around 18. North wind around 7 mph.
Tonight
Patchy fog between 9pm and midnight. Otherwise, cloudy, with a low around 13. North wind around 7 mph becoming east after midnight.
Friday
Cloudy, with a high near 22. East wind 6 to 10 mph.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 16. East wind around 6 mph becoming south southwest after midnight.
Saturday
Mostly sunny, with a high near 32. South southwest wind 6 to 9 mph becoming north northeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 18. Northeast wind 7 to 16 mph becoming southeast after midnight.
Sunday
Partly sunny, with a high near 44. Southeast wind 9 to 17 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 26. Northwest wind 6 to 8 mph becoming south after midnight.
Monday
Mostly sunny, with a high near 47. South wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Gann Valley SD
 44.19°N 98.96°W (Elev. 2014 ft)
Last Update:
5:26 pm CST Jan 1, 2026
Forecast Valid:
5pm CST Jan 1, 2026-6pm CST Jan 8, 2026
 
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Additional Resources

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Chance of Precipitation