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. Some snow and a wintry mix is occurring today to the north. 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.

Unknown Precip

34°F

1°C

Humidity 100%
Wind Speed W 10 mph
Barometer 29.71 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 5 Dec 7:15 am CST
Extended Forecast for

Tolstoy SD

  • Today

    Today: A chance of snow, mainly between 9am and 11am. Mostly cloudy, with a temperature rising to near 34 by 9am, then falling to around 25 during the remainder of the day. Northwest wind 9 to 18 mph. Chance of precipitation is 40%.

    High: 34 °F⇓

    Chance Snow
    then Mostly
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Northwest wind 6 to 13 mph becoming east southeast after midnight.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after 9am. Patchy blowing snow between 10am and 4pm. Cloudy, with a temperature falling to around 10 by 5pm. East wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 15 °F⇓

    Snow Likely
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around -2. North northeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: -2 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow, mainly after noon. Mostly cloudy, with a high near 12. North northeast wind 6 to 13 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

    High: 12 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 4. Southeast wind around 10 mph becoming south southwest after midnight.

    Low: 4 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy blowing snow after 2pm. Mostly sunny, with a high near 34. South southwest wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 34 °F

    Partly Sunny
    then Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 8pm. Mostly cloudy, with a low around 21. West wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Patchy
    Blowing Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 39. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 50%.

    High: 39 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
A chance of snow, mainly between 9am and 11am. Mostly cloudy, with a temperature rising to near 34 by 9am, then falling to around 25 during the remainder of the day. Northwest wind 9 to 18 mph. Chance of precipitation is 40%.
Tonight
Mostly cloudy, with a low around 12. Northwest wind 6 to 13 mph becoming east southeast after midnight.
Saturday
Snow likely, mainly after 9am. Patchy blowing snow between 10am and 4pm. Cloudy, with a temperature falling to around 10 by 5pm. East wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around -2. North northeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday
A chance of snow, mainly after noon. Mostly cloudy, with a high near 12. North northeast wind 6 to 13 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 4. Southeast wind around 10 mph becoming south southwest after midnight.
Monday
Patchy blowing snow after 2pm. Mostly sunny, with a high near 34. South southwest wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Patchy blowing snow before 8pm. Mostly cloudy, with a low around 21. West wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday
A chance of rain. Mostly cloudy, with a high near 39. Breezy, with a southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 50%.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of snow. Mostly cloudy, with a low around 14. Blustery. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 21.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 20%.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 20%.
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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:
6:36 am CST Dec 5, 2025
Forecast Valid:
7am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
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