National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

18°F

-8°C

Humidity 79%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 27 Jan 8:55 am MST
Extended Forecast for

Spearfish SD

  • Today

    Today: A 20 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 36. Wind chill values as low as 18. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 36 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 29. Wind chill values as low as 19. West wind around 10 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 41. Wind chill values as low as 20. West wind 5 to 7 mph becoming northeast in the afternoon.

    High: 41 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 24. Calm wind becoming west around 5 mph after midnight. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely. Cloudy, with a high near 36. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 36 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 17. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 29. East wind 5 to 7 mph.

    High: 29 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 19. South wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 19 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 8am, then a chance of rain and snow between 8am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Today
A 20 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 36. Wind chill values as low as 18. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a steady temperature around 29. Wind chill values as low as 19. West wind around 10 mph, with gusts as high as 18 mph.
Wednesday
Increasing clouds, with a high near 41. Wind chill values as low as 20. West wind 5 to 7 mph becoming northeast in the afternoon.
Wednesday Night
A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 24. Calm wind becoming west around 5 mph after midnight. New snow accumulation of less than a half inch possible.
Thursday
Snow likely. Cloudy, with a high near 36. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 17. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 29. East wind 5 to 7 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19. South wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Saturday
A chance of snow before 8am, then a chance of rain and snow between 8am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 44.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
Last Update:
8:46 am MST Jan 27, 2026
Forecast Valid:
9am MST Jan 27, 2026-6pm MST Feb 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation