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

32°F

0°C

Humidity 60%
Wind Speed NE 3 mph
Barometer 30.05 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 28 Jan 3:55 pm MST
Extended Forecast for

Spearfish SD

  • This Afternoon

    This Afternoon: Cloudy, with a high near 44. East wind around 5 mph.

    High: 44 °F

    Cloudy

  • Tonight

    Tonight: Snow likely, mainly after 11pm. Cloudy, with a temperature rising to around 33 by 3am. Light and variable wind becoming west 5 to 10 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F⇑

    Snow Likely

  • Thursday

    Thursday: Snow. High near 38. Northwest wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 21. West wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely

  • Friday

    Friday: Snow, mainly before 11am. High near 30. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Snow then
    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow. Mostly cloudy, with a temperature falling to near 21 by 8pm, then rising to around 30 during the remainder of the night. South wind 3 to 6 mph.

    Low: 21 °F⇑

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of rain and snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 46. West wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 46 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. West wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 44. East wind around 5 mph.
Tonight
Snow likely, mainly after 11pm. Cloudy, with a temperature rising to around 33 by 3am. Light and variable wind becoming west 5 to 10 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Snow. High near 38. Northwest wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 21. West wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow, mainly before 11am. High near 30. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a temperature falling to near 21 by 8pm, then rising to around 30 during the remainder of the night. South wind 3 to 6 mph.
Saturday
A chance of rain and snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 46. West wind 7 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 30. West wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 50.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 42.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
Last Update:
3:22 pm MST Jan 28, 2026
Forecast Valid:
4pm MST Jan 28, 2026-6pm MST Feb 4, 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