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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Chamberlain, Chamberlain Municipal Airport (K9V9)

Lat: 43.77°NLon: 99.32°WElev: 1693ft.

Fair

N/A

Humidity NA
Wind Speed SE 3 mph
Barometer 30.36 in
Dewpoint N/A
Visibility 10.00 mi
Last update 11 Jan 5:55 am CST
Extended Forecast for

Oacoma SD

  • Today

    Today: Mostly sunny, with a high near 51. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. West wind 6 to 10 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. West wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. West wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Breezy, with a west northwest wind 16 to 26 mph, with gusts as high as 37 mph.

    High: 54 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. North northwest wind 14 to 17 mph, with gusts as high as 28 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. North northwest wind 7 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. East northeast wind 6 to 9 mph becoming south after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Windy, with a south wind 10 to 20 mph becoming northwest 22 to 32 mph in the morning. Winds could gust as high as 43 mph.

    High: 49 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Today
Mostly sunny, with a high near 51. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Partly cloudy, with a low around 27. West wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 53. West wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 39. West wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 54. Breezy, with a west northwest wind 16 to 26 mph, with gusts as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 26. North northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 39. North northwest wind 7 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 24. East northeast wind 6 to 9 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 49. Windy, with a south wind 10 to 20 mph becoming northwest 22 to 32 mph in the morning. Winds could gust as high as 43 mph.
Thursday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 20%.
Friday
A chance of snow. Mostly cloudy, with a high near 33. Windy. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 10. Blustery.
Saturday
Partly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.39°W (Elev. 1355 ft)
Last Update:
5:36 am CST Jan 11, 2026
Forecast Valid:
6am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation