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

27°F

-3°C

Humidity 59%
Wind Speed W 6 mph
Barometer 30.00 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 20 Jan 12:55 am MST
Extended Forecast for

6 Miles WSW Lead SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 11. Light west wind. Winds could gust as high as 16 mph.

    Low: 11 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly between 8am and 5pm. Mostly cloudy, with a high near 31. Wind chill values as low as 4. Northwest wind 6 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as -2. West wind 10 to 13 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Chance Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 20 by 11am, then falling to around 9 during the remainder of the day. Wind chill values as low as -2. Northwest wind 8 to 13 mph, with gusts as high as 38 mph. Little or no snow accumulation expected.

    High: 20 °F⇓

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a steady temperature around 9. West wind 3 to 6 mph. Winds could gust as high as 25 mph.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 18. Northwest wind 3 to 6 mph. Winds could gust as high as 23 mph.

    High: 18 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around -7. Calm wind.

    Low: -7 °F

    Chance Snow

  • Friday

    Friday: A chance of snow, mainly before 11am. Partly sunny, with a high near 10. Calm wind becoming northwest around 5 mph. Winds could gust as high as 15 mph.

    High: 10 °F

    Chance Snow

  • Friday Night

    Friday Night: A slight chance of snow. Partly cloudy, with a low around -4.

    Low: -4 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 11. Light west wind. Winds could gust as high as 16 mph.
Tuesday
Snow likely, mainly between 8am and 5pm. Mostly cloudy, with a high near 31. Wind chill values as low as 4. Northwest wind 6 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
A 40 percent chance of snow, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 11. Wind chill values as low as -2. West wind 10 to 13 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 40 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 20 by 11am, then falling to around 9 during the remainder of the day. Wind chill values as low as -2. Northwest wind 8 to 13 mph, with gusts as high as 38 mph. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a steady temperature around 9. West wind 3 to 6 mph. Winds could gust as high as 25 mph.
Thursday
Partly sunny, with a high near 18. Northwest wind 3 to 6 mph. Winds could gust as high as 23 mph.
Thursday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around -7. Calm wind.
Friday
A chance of snow, mainly before 11am. Partly sunny, with a high near 10. Calm wind becoming northwest around 5 mph. Winds could gust as high as 15 mph.
Friday Night
A slight chance of snow. Partly cloudy, with a low around -4.
Saturday
A slight chance of snow. Mostly sunny, with a high near 22.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 8.
Sunday
A slight chance of snow. Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 17.
Monday
A chance of snow. Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Lead SD
 44.33°N 103.89°W (Elev. 5197 ft)
Last Update:
12:21 am MST Jan 20, 2026
Forecast Valid:
1am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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Additional Resources

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