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

71°F

22°C

Humidity 46%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 6:15 pm CDT
Extended Forecast for

Oacoma SD

  • Tonight

    Tonight: Increasing clouds, with a low around 50. Calm wind becoming north northeast around 5 mph after midnight.

    Low: 50 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Southeast wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 74 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. East wind 5 to 9 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 86. Light southeast wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. South wind 11 to 16 mph, with gusts as high as 32 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. South wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. South wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Breezy, with a west wind 16 to 20 mph becoming north in the afternoon. Winds could gust as high as 29 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A chance of showers after 1am. Mostly cloudy, with a low around 47. North wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 50. Calm wind becoming north northeast around 5 mph after midnight.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. Southeast wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 53. East wind 5 to 9 mph.
Friday
Sunny, with a high near 86. Light southeast wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
Mostly clear, with a low around 66. South wind 11 to 16 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 88. South wind 15 to 18 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 57. South wind 15 to 17 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 69. Breezy, with a west wind 16 to 20 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 47. North wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Columbus Day
A chance of showers before 1pm. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 20%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 43. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.39°W (Elev. 1355 ft)
Last Update:
6:21 pm CDT Oct 7, 2026
Forecast Valid:
6pm CDT Oct 7, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation