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.

Fair

43°F

6°C

Humidity 89%
Wind Speed W 5 mph
Barometer 30.35 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 4 Oct 3:35 am CDT
Extended Forecast for

Oacoma SD

  • Overnight

    Overnight: Mostly clear, with a low around 43. Light west wind.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 71 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Southeast wind 6 to 9 mph.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. South southeast wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. North northwest wind 5 to 9 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. North wind 3 to 5 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. East wind around 7 mph.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Light west wind.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 71. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 51. Southeast wind 6 to 9 mph.
Monday
Sunny, with a high near 80. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Monday Night
Mostly clear, with a low around 55. South southeast wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 80. North northwest wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 52. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 75. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52. East wind around 7 mph.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 81. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.39°W (Elev. 1355 ft)
Last Update:
3:21 am CDT Oct 4, 2026
Forecast Valid:
3am CDT Oct 4, 2026-6pm CDT Oct 10, 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