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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Overcast

21°F

-6°C

Humidity 93%
Wind Speed E 15 G 21 mph
Barometer 29.70 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 6 Dec 12:35 pm CST
Extended Forecast for

Tolstoy SD

  • This Afternoon

    This Afternoon: A chance of snow. Patchy blowing snow before 1pm. Cloudy, with a high near 24. Blustery, with a northeast wind 24 to 29 mph decreasing to 15 to 20 mph. Winds could gust as high as 37 mph. Chance of precipitation is 50%.

    High: 24 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Snow likely, mainly before 10pm. Cloudy, with a low around -2. Northeast wind 6 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: -2 °F

    Snow Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow likely, mainly after noon. Cloudy, with a high near 13. Southeast wind 7 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 13 °F

    Snow Likely

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 7pm. Mostly cloudy, with a low around 7. Southeast wind 8 to 11 mph. Chance of precipitation is 30%.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Patchy blowing snow between 1pm and 4pm. Partly sunny, with a high near 36. South southwest wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 29 mph.

    High: 36 °F

    Partly Sunny
    then Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. West wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 42. Breezy, with a southwest wind 11 to 16 mph becoming west northwest 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 50%.

    High: 42 °F

    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 10. Blustery, with a northwest wind 17 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    Low: 10 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 21. Northwest wind 11 to 16 mph becoming east in the afternoon. Winds could gust as high as 24 mph.

    High: 21 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of snow. Patchy blowing snow before 1pm. Cloudy, with a high near 24. Blustery, with a northeast wind 24 to 29 mph decreasing to 15 to 20 mph. Winds could gust as high as 37 mph. Chance of precipitation is 50%.
Tonight
Snow likely, mainly before 10pm. Cloudy, with a low around -2. Northeast wind 6 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly after noon. Cloudy, with a high near 13. Southeast wind 7 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow, mainly before 7pm. Mostly cloudy, with a low around 7. Southeast wind 8 to 11 mph. Chance of precipitation is 30%.
Monday
Patchy blowing snow between 1pm and 4pm. Partly sunny, with a high near 36. South southwest wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 24. West wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday
A chance of rain. Mostly cloudy, with a high near 42. Breezy, with a southwest wind 11 to 16 mph becoming west northwest 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 50%.
Tuesday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 10. Blustery, with a northwest wind 17 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 21. Northwest wind 11 to 16 mph becoming east in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 0. Chance of precipitation is 20%.
Friday
Partly sunny and cold, with a high near 9.
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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:
12:36 pm CST Dec 6, 2025
Forecast Valid:
12pm CST Dec 6, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation