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.

Overcast and Windy

43°F

6°C

Humidity 34%
Wind Speed W 30 G 38 mph
Barometer 29.91 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 17 Jan 10:15 pm MST
Extended Forecast for

3 Miles WSW Lead SD

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly after 2am. Mostly cloudy, with a low around 20. Wind chill values as low as 6. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 50 mph. Total nighttime snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow
    Showers and
    Blustery

  • Sunday

    Sunday: Snow showers likely. Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -6. Blustery, with a northwest wind 15 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 23 °F⇓

    Snow Showers
    Likely and
    Blustery

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 4. Wind chill values as low as -12. Northwest wind 10 to 14 mph, with gusts as high as 32 mph.

    Low: 4 °F

    Slight Chance
    Snow

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 19. Wind chill values as low as -11. West wind 11 to 14 mph, with gusts as high as 34 mph.

    High: 19 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 21 by 5am. West wind around 9 mph, with gusts as high as 25 mph.

    Low: 17 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a high near 32. Northwest wind 11 to 14 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 14. West wind around 14 mph, with gusts as high as 37 mph.

    Low: 14 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 11am. Partly sunny, with a high near 20. Northwest wind 10 to 14 mph, with gusts as high as 36 mph.

    High: 20 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow showers, mainly after 2am. Mostly cloudy, with a low around 20. Wind chill values as low as 6. Blustery, with a northwest wind 20 to 24 mph, with gusts as high as 50 mph. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow showers likely. Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -6. Blustery, with a northwest wind 15 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 4. Wind chill values as low as -12. Northwest wind 10 to 14 mph, with gusts as high as 32 mph.
M.L.King Day
Partly sunny, with a high near 19. Wind chill values as low as -11. West wind 11 to 14 mph, with gusts as high as 34 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 21 by 5am. West wind around 9 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 32. Northwest wind 11 to 14 mph, with gusts as high as 36 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 14. West wind around 14 mph, with gusts as high as 37 mph.
Wednesday
A chance of snow before 11am. Partly sunny, with a high near 20. Northwest wind 10 to 14 mph, with gusts as high as 36 mph.
Wednesday Night
Partly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 10.
Friday
A chance of snow. Mostly cloudy, with a high near 18.
Friday Night
Snow likely. Mostly cloudy, with a low around -2.
Saturday
A chance of snow. Partly sunny, with a high near 11.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
Last Update:
9:46 pm MST Jan 17, 2026
Forecast Valid:
10pm MST Jan 17, 2026-6pm MST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation