Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Mostly Cloudy

37°F

3°C

Humidity 87%
Wind Speed W 14 mph
Barometer 29.68 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 2 Dec 1:15 pm CST
Extended Forecast for

Tolstoy SD

  • This Afternoon

    This Afternoon: A slight chance of rain after 4pm.  Mostly cloudy, with a high near 35. West wind 11 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of flurries after 9pm.  Mostly cloudy, with a low around 4. North wind around 15 mph.

    Low: 4 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: A chance of flurries before 9am.  Mostly sunny, with a temperature falling to around 3 by 5pm. North northwest wind 8 to 14 mph.

    High: 11 °F

    Chance
    Flurries

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -6. Wind chill values as low as -20. West northwest wind 6 to 13 mph becoming south after midnight.

    Low: -6 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31. South wind 14 to 17 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19. West northwest wind 10 to 14 mph.

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 8. West northwest wind 8 to 11 mph becoming east after midnight.

    Low: 8 °F

    Cloudy

  • Saturday

    Saturday: A chance of snow.  Cloudy, with a high near 17. East northeast wind 11 to 15 mph.  Chance of precipitation is 40%.

    High: 17 °F

    Chance Snow

Detailed Forecast

This Afternoon
A slight chance of rain after 4pm. Mostly cloudy, with a high near 35. West wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
A chance of flurries after 9pm. Mostly cloudy, with a low around 4. North wind around 15 mph.
Wednesday
A chance of flurries before 9am. Mostly sunny, with a temperature falling to around 3 by 5pm. North northwest wind 8 to 14 mph.
Wednesday Night
Partly cloudy, with a low around -6. Wind chill values as low as -20. West northwest wind 6 to 13 mph becoming south after midnight.
Thursday
Partly sunny, with a high near 31. South wind 14 to 17 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 19. West northwest wind 10 to 14 mph.
Friday
Mostly cloudy, with a high near 31. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Friday Night
Cloudy, with a low around 8. West northwest wind 8 to 11 mph becoming east after midnight.
Saturday
A chance of snow. Cloudy, with a high near 17. East northeast wind 11 to 15 mph. Chance of precipitation is 40%.
Saturday Night
A chance of snow, mainly after midnight. Cloudy, with a low around 0. Chance of precipitation is 30%.
Sunday
A slight chance of snow. Mostly cloudy, with a high near 17. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
A slight chance of snow. Partly sunny, with a high near 32. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Tolstoy SD
 45.21°N 99.61°W (Elev. 1900 ft)
12:31 pm CST Dec 2, 2025
1pm CST Dec 2, 2025-6pm CST Dec 8, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database