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.

Overcast

26°F

-3°C

Humidity 69%
Wind Speed N 13 G 16 mph
Barometer 30.35 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 10 Jan 4:55 pm CST
Extended Forecast for

Oacoma SD

  • Tonight

    Tonight: Partly cloudy, with a low around 17. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 49. South wind 5 to 13 mph becoming west in the afternoon.

    High: 49 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West wind 6 to 10 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. West southwest 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 northwest wind 10 to 16 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Breezy, with a west northwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. North northwest wind 13 to 17 mph, with gusts as high as 29 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39. North northwest wind 9 to 15 mph becoming southwest in the afternoon.

    High: 39 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South wind 6 to 8 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. North northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 49. South wind 5 to 13 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 28. West wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 53. West southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 39. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 55. Breezy, with a west northwest wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
Mostly cloudy, with a low around 28. North northwest wind 13 to 17 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 39. North northwest wind 9 to 15 mph becoming southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 26. South wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 50. Windy.
Thursday Night
Mostly cloudy, with a low around 26. Blustery.
Friday
A slight chance of snow. Mostly cloudy, with a high near 34. Windy. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 14. Blustery.
Saturday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oacoma SD
 43.8°N 99.39°W (Elev. 1355 ft)
Last Update:
4:36 pm CST Jan 10, 2026
Forecast Valid:
5pm CST Jan 10, 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