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

44°F

7°C

Humidity 92%
Wind Speed NW 5 mph
Barometer 30.39 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 4 Oct 8:35 am CDT
Extended Forecast for

Oacoma SD

  • Today

    Today: Sunny, with a high near 70. South southwest wind 5 to 7 mph becoming light and variable.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Breezy, with a south wind 13 to 21 mph, with gusts as high as 31 mph.

    High: 78 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. South southeast wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. North northwest wind 5 to 9 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. North wind 3 to 5 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. East wind around 7 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. East wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 70. South southwest wind 5 to 7 mph becoming light and variable.
Tonight
Mostly clear, with a low around 51. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 78. Breezy, with a south wind 13 to 21 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 56. South southeast wind 5 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 78. North northwest wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 53. North wind 3 to 5 mph.
Wednesday
Sunny, with a high near 74. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 53. East wind around 7 mph.
Thursday
Mostly sunny, with a high near 71. East wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 79. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.36°W (Elev. 1355 ft)
Last Update:
8:21 am CDT Oct 4, 2026
Forecast Valid:
8am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation