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.

Mostly Cloudy

72°F

22°C

Humidity 49%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Jun 3:35 pm CDT
Extended Forecast for

Oacoma SD

  • This Afternoon

    This Afternoon: Cloudy, with a high near 76. Light east wind.

    High: 76 °F

    Cloudy

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 55. East southeast wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 7am. Partly sunny, with a high near 81. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. South southeast wind around 18 mph, with gusts as high as 28 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 82. Breezy, with a south southeast wind 21 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 66. Breezy, with a southeast wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 94. Southeast wind 10 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. South southeast wind 7 to 11 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 90. South wind 13 to 17 mph becoming west in the afternoon. Winds could gust as high as 26 mph.

    High: 90 °F

    Hot

Detailed Forecast

This Afternoon
Cloudy, with a high near 76. Light east wind.
Tonight
A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 55. East southeast wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers before 7am. Partly sunny, with a high near 81. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 10%.
Friday Night
Partly cloudy, with a low around 62. South southeast wind around 18 mph, with gusts as high as 28 mph.
Saturday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 82. Breezy, with a south southeast wind 21 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 66. Breezy, with a southeast wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny and hot, with a high near 94. Southeast wind 10 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 68. South southeast wind 7 to 11 mph.
Monday
Mostly sunny and hot, with a high near 90. South wind 13 to 17 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Monday Night
A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 63. Chance of precipitation is 30%.
Tuesday
Mostly sunny and hot, with a high near 91.
Tuesday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 65. Chance of precipitation is 30%.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny and hot, with a high near 93. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.36°W (Elev. 1355 ft)
Last Update:
3:36 pm CDT Jun 25, 2026
Forecast Valid:
3pm CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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