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

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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

36°F

2°C

Humidity 44%
Wind Speed W 13 mph
Barometer 30.11 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Jan 5:15 am MST
Extended Forecast for

Spearfish SD

  • Today

    Today: Partly sunny, with a temperature rising to near 44 by noon, then falling to around 33 during the remainder of the day. West wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 44 °F⇓

    Partly Sunny

  • Tonight

    Tonight: Snow likely, mainly after 11pm. Cloudy, with a steady temperature around 31. Calm wind becoming west 5 to 9 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Snow Likely

  • Thursday

    Thursday: Snow likely, mainly before 11am. Cloudy, with a high near 36. Wind chill values as low as 19. Northwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 29. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a temperature falling to near 20 by 9pm, then rising to around 29 during the remainder of the night. South wind 5 to 7 mph becoming southwest after midnight.

    Low: 20 °F⇑

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then a chance of rain after 11am. Mostly cloudy, with a high near 45. West wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. West wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a temperature rising to near 44 by noon, then falling to around 33 during the remainder of the day. West wind 5 to 8 mph becoming light and variable in the afternoon.
Tonight
Snow likely, mainly after 11pm. Cloudy, with a steady temperature around 31. Calm wind becoming west 5 to 9 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly before 11am. Cloudy, with a high near 36. Wind chill values as low as 19. Northwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 29. Light and variable wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a temperature falling to near 20 by 9pm, then rising to around 29 during the remainder of the night. South wind 5 to 7 mph becoming southwest after midnight.
Saturday
A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then a chance of rain after 11am. Mostly cloudy, with a high near 45. West wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 29. West wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly cloudy, with a high near 47.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29.
Tuesday
A chance of snow. Partly sunny, with a high near 40.
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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:
4:41 am MST Jan 28, 2026
Forecast Valid:
5am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation