Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast; heavy rain in the Southeast

A storm system will bring a variety of hazards to the Eastern US. Wintry precipitation is expected from the central Appalachians to the Northeast. Heavy snow is expected for interior New England and the northern Mid-Atlantic through the night, and icing will continue in the Appalachians this morning. On the south side of the system, heavy rain and thunderstorms will persist across the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

ONIDAMUNC (K98D)

Lat: 44.7°NLon: 100.1°WElev: 1874ft.

Partly Cloudy

28°F

-2°C

Humidity 93%
Wind Speed SW 8 mph
Barometer 29.71 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 2 Dec 11:15 am CST
Extended Forecast for

Tolstoy SD

  • Today

    Today: A slight chance of rain after 4pm.  Cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 24 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 30. South wind 14 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 30 °F

    Partly Sunny

  • Thursday Night

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

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of snow after midnight.  Cloudy, with a low around 9. Northwest wind 9 to 13 mph becoming east after midnight.  Chance of precipitation is 20%.

    Low: 9 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of snow, mainly before noon.  Mostly cloudy, with a high near 17. Northeast wind 10 to 14 mph.  Chance of precipitation is 30%.

    High: 17 °F

    Chance Snow

Detailed Forecast

Today
A slight chance of rain after 4pm. Cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 24 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 30. South wind 14 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 19. West wind 10 to 14 mph.
Friday
Mostly cloudy, with a high near 31. Northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of snow after midnight. Cloudy, with a low around 9. Northwest wind 9 to 13 mph becoming east after midnight. Chance of precipitation is 20%.
Saturday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 17. Northeast wind 10 to 14 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 0. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Partly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
Tolstoy SD
 45.21°N 99.61°W (Elev. 1900 ft)
11:32 am CST Dec 2, 2025
11am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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Additional Resources

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