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

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

19 Miles S Seneca SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 27. Blustery, with a north northwest wind 14 to 20 mph, with gusts as high as 28 mph.

    High: 27 °F

    Decreasing
    Clouds and
    Blustery

  • Tonight

    Tonight: Partly cloudy, with a low around 15. North northwest wind 6 to 11 mph becoming south southwest after midnight.

    Low: 15 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. West wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. West wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 49. West southwest wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 49 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Breezy, with a west wind 16 to 22 mph, with gusts as high as 32 mph.

    Low: 40 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50. Windy, with a west northwest wind 22 to 30 mph, with gusts as high as 41 mph.

    High: 50 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 16 to 21 mph, with gusts as high as 31 mph.

    Low: 24 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 35. North wind 11 to 18 mph.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 27. Blustery, with a north northwest wind 14 to 20 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 15. North northwest wind 6 to 11 mph becoming south southwest after midnight.
Sunday
Mostly sunny, with a high near 44. West wind 10 to 18 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 27. West wind 11 to 14 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 49. West southwest wind 11 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 40. Breezy, with a west wind 16 to 22 mph, with gusts as high as 32 mph.
Tuesday
Partly sunny, with a high near 50. Windy, with a west northwest wind 22 to 30 mph, with gusts as high as 41 mph.
Tuesday Night
Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 16 to 21 mph, with gusts as high as 31 mph.
Wednesday
Partly sunny, with a high near 35. North wind 11 to 18 mph.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
A slight chance of snow. Mostly sunny, with a high near 44. Breezy. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 20%.
Friday
A chance of snow. Mostly cloudy, with a high near 30. Windy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles S Seneca SD
 44.8°N 99.56°W (Elev. 1821 ft)
Last Update:
10:46 am CST Jan 10, 2026
Forecast Valid:
11am CST Jan 10, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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