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.

Light Snow Fog/Mist

12°F

-11°C

Humidity 92%
Wind Speed NE 12 G 18 mph
Barometer 30.04 in
Dewpoint 10°F (-12°C)
Visibility 3.00 mi
Wind Chill-2°F (-19°C)
Last update 6 Dec 7:55 pm CST
Extended Forecast for

Tolstoy SD

  • Tonight

    Tonight: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 0. Northeast wind 6 to 15 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 0 °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 37. South wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 37 °F

    Mostly Cloudy
    then Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. West wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely before noon, then a chance of rain and snow. Mostly cloudy, with a high near 42. Windy, with a south southwest wind 11 to 21 mph becoming west 23 to 33 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Rain Likely
    then Chance
    Rain/Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 9. Windy, with a northwest wind 22 to 32 mph, with gusts as high as 47 mph.

    Low: 9 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 21. Blustery, with a northwest wind 13 to 20 mph becoming southeast in the afternoon. Winds could gust as high as 31 mph.

    High: 21 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 6. East southeast wind 11 to 14 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 6 °F

    Chance Snow

Detailed Forecast

Tonight
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 0. Northeast wind 6 to 15 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one 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 37. South wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 25. West wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday
Rain likely before noon, then a chance of rain and snow. Mostly cloudy, with a high near 42. Windy, with a south southwest wind 11 to 21 mph becoming west 23 to 33 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night
Mostly cloudy, with a low around 9. Windy, with a northwest wind 22 to 32 mph, with gusts as high as 47 mph.
Wednesday
Mostly cloudy, with a high near 21. Blustery, with a northwest wind 13 to 20 mph becoming southeast in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 6. East southeast wind 11 to 14 mph becoming north after midnight. Chance of precipitation is 40%.
Thursday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 13. Chance of precipitation is 30%.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around -5. Chance of precipitation is 20%.
Friday
Partly sunny and cold, with a high near 5.
Friday Night
Mostly cloudy, with a low around -10.
Saturday
Partly sunny and cold, with a high near 8.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tolstoy SD
 45.21°N 99.61°W (Elev. 1900 ft)
Last Update:
7:36 pm CST Dec 6, 2025
Forecast Valid:
8pm CST Dec 6, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation