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

21°F

-6°C

Humidity 38%
Wind Speed W 12 G 20 mph
Barometer 30.08 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 21 Jan 5:35 pm MST
Extended Forecast for

6 Miles WSW Lead SD

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Wind chill values as low as -1. West wind 5 to 8 mph, with gusts as high as 29 mph.

    Low: 7 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow before 11am. Mostly sunny, with a temperature rising to near 12 by noon, then falling to around 3 during the remainder of the day. Wind chill values as low as -6. Northwest wind 5 to 8 mph, with gusts as high as 25 mph.

    High: 12 °F⇓

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -11. Calm wind. New snow accumulation of less than a half inch possible.

    Low: -11 °F

    Chance Snow

  • Friday

    Friday: Snow. High near 3. Wind chill values as low as -10. Light and variable wind. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 3 °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 -10. Calm wind. New snow accumulation of less than a half inch possible.

    Low: -10 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly sunny, with a high near 12. Calm wind becoming west around 6 mph. Winds could gust as high as 20 mph.

    High: 12 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -7. Calm wind. Winds could gust as high as 16 mph.

    Low: -7 °F

    Chance Snow

  • Sunday

    Sunday: A slight chance of snow. Mostly sunny, with a high near 11. West wind 3 to 6 mph. Winds could gust as high as 22 mph.

    High: 11 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. Wind chill values as low as -1. West wind 5 to 8 mph, with gusts as high as 29 mph.
Thursday
A 20 percent chance of snow before 11am. Mostly sunny, with a temperature rising to near 12 by noon, then falling to around 3 during the remainder of the day. Wind chill values as low as -6. Northwest wind 5 to 8 mph, with gusts as high as 25 mph.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -11. Calm wind. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 3. Wind chill values as low as -10. Light and variable wind. Winds could gust as high as 15 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 -10. 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 12. Calm wind becoming west around 6 mph. Winds could gust as high as 20 mph.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -7. Calm wind. Winds could gust as high as 16 mph.
Sunday
A slight chance of snow. Mostly sunny, with a high near 11. West wind 3 to 6 mph. Winds could gust as high as 22 mph.
Sunday Night
Partly cloudy, with a low around -3.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
A slight chance of snow. Partly sunny, with a high near 32.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 16.
Wednesday
A slight chance of snow. Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Lead SD
 44.33°N 103.89°W (Elev. 5197 ft)
Last Update:
3:56 pm MST Jan 21, 2026
Forecast Valid:
5pm MST Jan 21, 2026-6pm MST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation