National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

69°F

21°C

Humidity 100%
Wind Speed SE 10 mph
Barometer 29.73 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 7 Jun 4:15 am CDT
Extended Forecast for

Oacoma SD

  • Today

    Today: Partly sunny, with a high near 89. Breezy, with a south southeast wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 89 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 65. Breezy, with a south southeast wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Increasing clouds, with a high near 87. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 87 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. East wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. Breezy, with a south southeast wind 9 to 14 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 20%.

    High: 103 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 66. Breezy, with a south wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: A slight chance of showers after 1pm. Mostly sunny and hot, with a high near 90. Breezy, with a south southwest wind 11 to 16 mph becoming west northwest 19 to 24 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    High: 90 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers before 1pm. Mostly sunny, with a high near 80. Breezy, with a west northwest wind 20 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Today
Partly sunny, with a high near 89. Breezy, with a south southeast wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 36 mph.
Tonight
A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 65. Breezy, with a south southeast wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Monday
Increasing clouds, with a high near 87. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. East wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. Breezy, with a south southeast wind 9 to 14 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 66. Breezy, with a south wind 11 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Wednesday
A slight chance of showers after 1pm. Mostly sunny and hot, with a high near 90. Breezy, with a south southwest wind 11 to 16 mph becoming west northwest 19 to 24 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers before 1pm. Mostly sunny, with a high near 80. Breezy, with a west northwest wind 20 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 54. Breezy. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 77. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.39°W (Elev. 1355 ft)
Last Update:
3:36 am CDT Jun 7, 2026
Forecast Valid:
4am CDT Jun 7, 2026-6pm CDT Jun 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation