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.

Overcast

41°F

5°C

Humidity 44%
Wind Speed W 5 mph
Barometer 30.15 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 19 Apr 1:55 am CDT
Extended Forecast for

Stephan SD

  • Overnight

    Overnight: Partly cloudy, with a low around 26. North northwest wind around 9 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53. North wind 8 to 10 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. East northeast wind 8 to 14 mph becoming southeast after midnight. Winds could gust as high as 23 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 77 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North wind 6 to 8 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. North northeast wind 7 to 11 mph becoming southeast in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Southeast wind 13 to 16 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Breezy, with a south wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 89 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Breezy, with a south southeast wind 20 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. North northwest wind around 9 mph.
Sunday
Sunny, with a high near 53. North wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 31. East northeast wind 8 to 14 mph becoming southeast after midnight. Winds could gust as high as 23 mph.
Monday
Mostly sunny, with a high near 77. Breezy, with a south southeast wind 14 to 20 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 42. North wind 6 to 8 mph.
Tuesday
Sunny, with a high near 78. North northeast wind 7 to 11 mph becoming southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. Southeast wind 13 to 16 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 89. Breezy, with a south wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Breezy, with a south southeast wind 20 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.
Thursday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 69. Windy. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 34. Windy. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 54. Breezy.
Friday Night
Partly cloudy, with a low around 30. Blustery.
Saturday
Mostly sunny, with a high near 55. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Stephan SD
 44.25°N 99.47°W (Elev. 1867 ft)
Last Update:
1:31 am CDT Apr 19, 2026
Forecast Valid:
2am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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