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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Light Snow

11°F

-12°C

Humidity 96%
Wind Speed SE 9 mph
Barometer 30.28 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 7 Dec 10:15 am CST
Extended Forecast for

Stephan SD

  • Today

    Today: Snow, mainly before 3pm. High near 15. Southeast wind 11 to 16 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 15 °F

    Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 13. Southeast wind 6 to 11 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 37. South wind 6 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. West wind 9 to 14 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of freezing rain before 9am, then a chance of rain. Mostly cloudy, with a high near 46. Breezy, with a south southwest wind 9 to 14 mph becoming west northwest 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Freezing
    Rain then
    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. Blustery, with a northwest wind 21 to 26 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.

    Low: 17 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: A slight chance of snow after noon. Mostly cloudy, with a high near 26. Northwest wind 10 to 14 mph becoming east southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Cloudy, with a low around 9. East wind 10 to 13 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 9 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 17. North northwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 17 °F

    Chance Snow

Detailed Forecast

Today
Snow, mainly before 3pm. High near 15. Southeast wind 11 to 16 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, with a low around 13. Southeast wind 6 to 11 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 37. South wind 6 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 25. West wind 9 to 14 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.
Tuesday
A chance of freezing rain before 9am, then a chance of rain. Mostly cloudy, with a high near 46. Breezy, with a south southwest wind 9 to 14 mph becoming west northwest 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 17. Blustery, with a northwest wind 21 to 26 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
Wednesday
A slight chance of snow after noon. Mostly cloudy, with a high near 26. Northwest wind 10 to 14 mph becoming east southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of snow. Cloudy, with a low around 9. East wind 10 to 13 mph becoming north after midnight. Chance of precipitation is 40%.
Thursday
A chance of snow. Mostly cloudy, with a high near 17. North northwest wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around -4.
Friday
Partly sunny and cold, with a high near 5.
Friday Night
Mostly cloudy, with a low around -7.
Saturday
Mostly cloudy and cold, with a high near 9.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stephan SD
 44.25°N 99.47°W (Elev. 1867 ft)
Last Update:
9:36 am CST Dec 7, 2025
Forecast Valid:
10am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation