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

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Partly Cloudy

71°F

22°C

Humidity 52%
Wind Speed N 3 mph
Barometer 30.10 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 3 Oct 2:35 pm CDT
Extended Forecast for

Stephan SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 72. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. North northwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Calm wind becoming west southwest around 5 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. East southeast wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 30 mph.

    High: 75 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. South southeast wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Northwest wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. North wind around 6 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Northeast wind 5 to 8 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 72. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 44. North northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 68. Calm wind becoming west southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 49. East southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 75. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 55. South southeast wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 78. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 52. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 71. Northeast wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stephan SD
 44.27°N 99.44°W (Elev. 1926 ft)
Last Update:
2:21 pm CDT Oct 3, 2026
Forecast Valid:
2pm CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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