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

39°F

4°C

Humidity 39%
Wind Speed W 6 mph
Barometer 30.12 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 28 Jan 9:15 am MST
Extended Forecast for

Belle Fourche SD

  • Today

    Today: Mostly cloudy, with a high near 42. Northwest wind around 8 mph becoming east in the afternoon.

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 11pm. Cloudy, with a low around 23. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 16 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am. Cloudy, with a high near 39. Wind chill values as low as 15. Northwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17. Northwest wind 5 to 7 mph becoming light and variable. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 26. East wind 6 to 10 mph, with gusts as high as 17 mph. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 13. Southeast wind 5 to 7 mph becoming southwest after midnight.

    Low: 13 °F

    Chance Snow

  • Saturday

    Saturday: A chance of rain and snow before 9am, then a chance of rain. Mostly cloudy, with a high near 45. Breezy, with a west wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. West wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 42. Northwest wind around 8 mph becoming east in the afternoon.
Tonight
A 50 percent chance of snow, mainly after 11pm. Cloudy, with a low around 23. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 16 mph. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly before 11am. Cloudy, with a high near 39. Wind chill values as low as 15. Northwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. Northwest wind 5 to 7 mph becoming light and variable. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 26. East wind 6 to 10 mph, with gusts as high as 17 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow, mainly after 5am. Mostly cloudy, with a low around 13. Southeast wind 5 to 7 mph becoming southwest after midnight.
Saturday
A chance of rain and snow before 9am, then a chance of rain. Mostly cloudy, with a high near 45. Breezy, with a west wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 26. West wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly cloudy, with a high near 44.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.67°N 103.86°W (Elev. 3025 ft)
Last Update:
9:23 am MST Jan 28, 2026
Forecast Valid:
9am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation