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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Partly Cloudy

21°F

-6°C

Humidity 82%
Wind Speed NW 7 mph
Barometer 30.38 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 10 Jan 6:35 pm CST
Extended Forecast for

Stephan SD

  • Tonight

    Tonight: Partly cloudy, with a low around 11. North northwest wind 5 to 7 mph becoming calm.

    Low: 11 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. South southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West northwest wind 8 to 11 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. West northwest wind 13 to 18 mph, with gusts as high as 29 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. Breezy, with a west northwest wind 18 to 25 mph, with gusts as high as 36 mph.

    High: 51 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. North northwest wind 15 to 18 mph, with gusts as high as 29 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. North wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 11. North northwest wind 5 to 7 mph becoming calm.
Sunday
Mostly sunny, with a high near 44. South southwest wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 28. West northwest wind 8 to 11 mph.
Monday
Mostly sunny, with a high near 48. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 38. West northwest wind 13 to 18 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 51. Breezy, with a west northwest wind 18 to 25 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 27. North northwest wind 15 to 18 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 36. North wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 26. South wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 45. Breezy.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 20%.
Friday
A chance of snow. Mostly cloudy, with a high near 30. Windy. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 12. Blustery.
Saturday
Partly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stephan SD
 44.25°N 99.44°W (Elev. 1811 ft)
Last Update:
6:36 pm CST Jan 10, 2026
Forecast Valid:
6pm CST Jan 10, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation