Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Overcast

-11°F

-24°C

Humidity 76%
Wind Speed NE 6 mph
Barometer 30.41 in
Dewpoint -17°F (-27°C)
Visibility 10.00 mi
Wind Chill-25°F (-32°C)
Last update 23 Jan 7:35 am MST
Extended Forecast for

3 Miles S Whitewood SD

  • Today

    Today: A 50 percent chance of snow, mainly after 8am.  Mostly cloudy and cold, with a high near -4. Wind chill values as low as -30. East wind 6 to 10 mph, with gusts as high as 20 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: -4 °F

    Chance Snow

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around -4. Wind chill values as low as -19. Southeast wind around 6 mph becoming light and variable.

    Low: -4 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Increasing clouds, with a high near 18. Wind chill values as low as -20. Southwest wind 6 to 9 mph becoming north in the morning. Winds could gust as high as 18 mph.

    High: 18 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around -2. Wind chill values as low as -15. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.  New snow accumulation of less than a half inch possible.

    Low: -2 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 7. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 7 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature rising to around 18 by 5am. Southwest wind 7 to 17 mph, with gusts as high as 24 mph.

    Low: 2 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 33 mph.

    High: 36 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. West wind around 14 mph, with gusts as high as 21 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow after 11am.  Partly sunny, with a high near 30.

    High: 30 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 8am. Mostly cloudy and cold, with a high near -4. Wind chill values as low as -30. East wind 6 to 10 mph, with gusts as high as 20 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around -4. Wind chill values as low as -19. Southeast wind around 6 mph becoming light and variable.
Saturday
Increasing clouds, with a high near 18. Wind chill values as low as -20. Southwest wind 6 to 9 mph becoming north in the morning. Winds could gust as high as 18 mph.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -2. Wind chill values as low as -15. Northwest wind 10 to 13 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Sunday
A 30 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 7. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a temperature rising to around 18 by 5am. Southwest wind 7 to 17 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 21. West wind around 14 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of snow after 11am. Partly sunny, with a high near 30.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 15.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
A slight chance of snow. Partly sunny, with a high near 28.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Whitewood SD
 44.42°N 103.63°W (Elev. 4800 ft)
6:26 am MST Jan 23, 2026
7am MST Jan 23, 2026-6pm MST Jan 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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