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

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair and Breezy

23°F

-5°C

Humidity 30%
Wind Speed W 21 G 29 mph
Barometer 30.06 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 21 Jan 7:15 pm MST
Extended Forecast for

4 Miles SSW Lead SD

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Wind chill values as low as -5. West wind around 8 mph, with gusts as high as 33 mph.

    Low: 6 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow before 11am. Mostly sunny, with a temperature rising to near 11 by noon, then falling to around 2 during the remainder of the day. Wind chill values as low as -9. Northwest wind 7 to 9 mph, with gusts as high as 29 mph.

    High: 11 °F⇓

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -12. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph. New snow accumulation of less than a half inch possible.

    Low: -12 °F

    Chance Snow

  • Friday

    Friday: Snow. High near 1. Wind chill values as low as -15. Calm wind becoming east around 5 mph. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 1 °F

    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -12. Calm wind. New snow accumulation of less than a half inch possible.

    Low: -12 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly sunny, with a high near 10. West wind 3 to 6 mph. Winds could gust as high as 21 mph.

    High: 10 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow. Mostly cloudy, with a low around -8. West wind 3 to 5 mph. Winds could gust as high as 20 mph.

    Low: -8 °F

    Chance Snow

  • Sunday

    Sunday: A slight chance of snow. Mostly sunny, with a high near 10. West wind 6 to 8 mph, with gusts as high as 23 mph.

    High: 10 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -4.

    Low: -4 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 6. Wind chill values as low as -5. West wind around 8 mph, with gusts as high as 33 mph.
Thursday
A 20 percent chance of snow before 11am. Mostly sunny, with a temperature rising to near 11 by noon, then falling to around 2 during the remainder of the day. Wind chill values as low as -9. Northwest wind 7 to 9 mph, with gusts as high as 29 mph.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -12. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 1. Wind chill values as low as -15. Calm wind becoming east around 5 mph. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -12. Calm wind. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 10. West wind 3 to 6 mph. Winds could gust as high as 21 mph.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around -8. West wind 3 to 5 mph. Winds could gust as high as 20 mph.
Sunday
A slight chance of snow. Mostly sunny, with a high near 10. West wind 6 to 8 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around -4.
Monday
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
A slight chance of snow. Mostly 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. Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Lead SD
 44.29°N 103.8°W (Elev. 5761 ft)
Last Update:
6:56 pm MST Jan 21, 2026
Forecast Valid:
7pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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