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

23°F

-5°C

Humidity 100%
Wind Speed NE 6 mph
Barometer 29.98 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 10 Mar 9:15 am CDT
Extended Forecast for

Tolstoy SD

  • Today

    Today: Snow likely, mainly after 5pm. Cloudy, with a high near 34. East northeast wind 8 to 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.

    High: 34 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tonight

    Tonight: A chance of snow, mainly before 9pm. Cloudy, with a low around 21. Northeast wind 6 to 10 mph becoming west northwest after midnight. Chance of precipitation is 50%.

    Low: 21 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Patchy blowing snow between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 40. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 28 mph.

    High: 40 °F

    Partly Sunny
    then Patchy
    Blowing Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. West northwest wind 10 to 14 mph becoming south southwest in the evening.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 52. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.

    High: 52 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 21. Blustery, with a north northwest wind 16 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    Low: 21 °F

    Blustery.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 36. North northwest wind around 11 mph becoming south southeast in the afternoon. Chance of precipitation is 40%.

    High: 36 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Cloudy, with a low around 24. Southeast wind 11 to 13 mph. Chance of precipitation is 50%.

    Low: 24 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely. Cloudy, with a high near 36. Breezy, with a southeast wind 13 to 21 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.

    High: 36 °F

    Snow Likely
    and Breezy

Detailed Forecast

Today
Snow likely, mainly after 5pm. Cloudy, with a high near 34. East northeast wind 8 to 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.
Tonight
A chance of snow, mainly before 9pm. Cloudy, with a low around 21. Northeast wind 6 to 10 mph becoming west northwest after midnight. Chance of precipitation is 50%.
Wednesday
Patchy blowing snow between noon and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 40. 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 24. West northwest wind 10 to 14 mph becoming south southwest in the evening.
Thursday
A chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 52. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain before 10pm, then a chance of snow between 10pm and 1am. Mostly cloudy, with a low around 21. Blustery, with a north northwest wind 16 to 23 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Friday
A chance of snow. Cloudy, with a high near 36. North northwest wind around 11 mph becoming south southeast in the afternoon. Chance of precipitation is 40%.
Friday Night
A chance of snow. Cloudy, with a low around 24. Southeast wind 11 to 13 mph. Chance of precipitation is 50%.
Saturday
Snow likely. Cloudy, with a high near 36. Breezy, with a southeast wind 13 to 21 mph becoming north northeast in the afternoon. Chance of precipitation is 60%.
Saturday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 9. Blustery. Chance of precipitation is 60%.
Sunday
A slight chance of snow. Partly sunny, with a high near 23. Blustery. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tolstoy SD
 45.21°N 99.61°W (Elev. 1900 ft)
Last Update:
8:37 am CDT Mar 10, 2026
Forecast Valid:
9am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation