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

30°F

-1°C

Humidity 11%
Wind Speed W 8 mph
Barometer 30.05 in
Dewpoint -18°F (-28°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 17 Jan 3:35 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 17. Wind chill values as low as 1. Windy, with a northwest wind 16 to 21 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 45 mph. Total nighttime snow accumulation of less than one inch possible.

    Low: 17 °F

    Windy. Slight
    Chance Snow
    Showers then
    Chance Snow
    Showers

  • Sunday

    Sunday: Snow showers likely, mainly before 11am. Mostly cloudy, with a temperature falling to around 9 by 5pm. Wind chill values as low as -10. Windy, with a northwest wind 26 to 31 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 22 °F⇓

    Snow Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 2. Wind chill values as low as -17. Northwest wind 14 to 18 mph, with gusts as high as 32 mph.

    Low: 2 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 16. Wind chill values as low as -16. West wind around 16 mph, with gusts as high as 33 mph.

    High: 16 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 20 by 5am. West wind 10 to 13 mph, with gusts as high as 26 mph.

    Low: 15 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a temperature rising to near 27 by 11am, then falling to around 18 during the remainder of the day. Northwest wind 15 to 17 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.

    High: 27 °F⇓

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 11. Blustery, with a west wind 17 to 20 mph, with gusts as high as 36 mph.

    Low: 11 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: A chance of snow before 11am. Partly sunny, with a high near 17. Northwest wind 14 to 17 mph, with gusts as high as 34 mph.

    High: 17 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of snow showers, mainly after 2am. Mostly cloudy, with a low around 17. Wind chill values as low as 1. Windy, with a northwest wind 16 to 21 mph increasing to 27 to 32 mph after midnight. Winds could gust as high as 45 mph. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow showers likely, mainly before 11am. Mostly cloudy, with a temperature falling to around 9 by 5pm. Wind chill values as low as -10. Windy, with a northwest wind 26 to 31 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 2. Wind chill values as low as -17. Northwest wind 14 to 18 mph, with gusts as high as 32 mph.
M.L.King Day
Partly sunny, with a high near 16. Wind chill values as low as -16. West wind around 16 mph, with gusts as high as 33 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 20 by 5am. West wind 10 to 13 mph, with gusts as high as 26 mph.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a temperature rising to near 27 by 11am, then falling to around 18 during the remainder of the day. Northwest wind 15 to 17 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.
Tuesday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 11. Blustery, with a west wind 17 to 20 mph, with gusts as high as 36 mph.
Wednesday
A chance of snow before 11am. Partly sunny, with a high near 17. Northwest wind 14 to 17 mph, with gusts as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 30.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 8.
Friday
A chance of snow. Mostly cloudy, with a high near 16.
Friday Night
Snow likely. Mostly cloudy, with a low around -2.
Saturday
A chance of snow. Mostly cloudy, with a high near 8.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
Last Update:
3:21 pm MST Jan 17, 2026
Forecast Valid:
4pm MST Jan 17, 2026-6pm MST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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