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

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Overcast

30°F

-1°C

Humidity 93%
Wind Speed NE 18 G 26 mph
Barometer 29.90 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 9 Mar 11:15 pm CDT
Extended Forecast for

Seneca SD

  • Tonight

    Tonight: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 24. Blustery, with a northeast wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Snow
    and Blustery

  • Tuesday

    Tuesday: A chance of snow, mainly after 5pm. Mostly cloudy, with a high near 39. East northeast wind 8 to 10 mph becoming north in the morning. Chance of precipitation is 30%.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, possibly mixed with rain, becoming all snow after 8pm. Mostly cloudy, with a low around 23. North wind 8 to 11 mph becoming west northwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 28 mph.

    High: 42 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. West northwest wind 10 to 14 mph becoming south southwest after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 55. Breezy, with a southwest wind 14 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 55 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance
    Rain/Snow and
    Blustery

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 38. North northwest wind 11 to 13 mph becoming east southeast in the afternoon. Chance of precipitation is 40%.

    High: 38 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Cloudy, with a low around 24. East southeast wind 11 to 13 mph. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 24. Blustery, with a northeast wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Tuesday
A chance of snow, mainly after 5pm. Mostly cloudy, with a high near 39. East northeast wind 8 to 10 mph becoming north in the morning. Chance of precipitation is 30%.
Tuesday Night
Snow likely, possibly mixed with rain, becoming all snow after 8pm. Mostly cloudy, with a low around 23. North wind 8 to 11 mph becoming west northwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 42. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly cloudy, with a low around 25. West northwest wind 10 to 14 mph becoming south southwest after midnight.
Thursday
A slight chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 55. Breezy, with a southwest wind 14 to 22 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 24. Blustery, with a north northwest wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Friday
A chance of snow. Cloudy, with a high near 38. North northwest wind 11 to 13 mph becoming east southeast in the afternoon. Chance of precipitation is 40%.
Friday Night
A chance of snow. Cloudy, with a low around 24. East southeast wind 11 to 13 mph. Chance of precipitation is 40%.
Saturday
Snow likely, mainly after 1pm. Cloudy, with a high near 37. Chance of precipitation is 60%.
Saturday Night
Snow. Low around 11. Blustery. Chance of precipitation is 80%.
Sunday
A chance of snow. Partly sunny, with a high near 23. Blustery. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
A slight chance of snow. Partly sunny, with a high near 28. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seneca SD
 45.08°N 99.48°W (Elev. 1877 ft)
Last Update:
10:36 pm CDT Mar 9, 2026
Forecast Valid:
11pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation