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

25°F

-4°C

Humidity 14%
Wind Speed W 14 G 21 mph
Barometer 30.14 in
Dewpoint -18°F (-28°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 17 Jan 1:15 pm MST
Extended Forecast for

4 Miles WSW Lead SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 23. Wind chill values as low as 3. West wind 11 to 13 mph, with gusts as high as 25 mph.

    High: 23 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly after 2am. Increasing clouds, with a low around 15. Wind chill values as low as -2. Windy, with a northwest wind 20 to 25 mph increasing to 28 to 33 mph in the evening. Winds could gust as high as 44 mph. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Windy. Slight
    Chance Snow
    Showers then
    Chance Snow
    Showers

  • Sunday

    Sunday: Snow showers likely. Mostly cloudy, with a temperature falling to around 8 by 5pm. Wind chill values as low as -12. Windy, with a northwest wind 26 to 31 mph decreasing to 20 to 25 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: 20 °F⇓

    Snow Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 0. Wind chill values as low as -19. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 31 mph.

    Low: 0 °F

    Chance Snow
    and Blustery

  • M.L.King Day

    M.L.King Day: A 20 percent chance of snow before 11am. Partly sunny, with a high near 14. West wind 15 to 17 mph, with gusts as high as 33 mph.

    High: 14 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 18 by 5am. West wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 13 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a high near 28. Northwest wind 16 to 18 mph, with gusts as high as 36 mph.

    High: 28 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 10. Blustery, with a west wind 18 to 21 mph, with gusts as high as 36 mph.

    Low: 10 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: A chance of snow before 11am. Partly sunny, with a high near 17.

    High: 17 °F

    Chance Snow
    then Partly
    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 23. Wind chill values as low as 3. West wind 11 to 13 mph, with gusts as high as 25 mph.
Tonight
A 50 percent chance of snow showers, mainly after 2am. Increasing clouds, with a low around 15. Wind chill values as low as -2. Windy, with a northwest wind 20 to 25 mph increasing to 28 to 33 mph in the evening. Winds could gust as high as 44 mph. New snow accumulation of less than one inch possible.
Sunday
Snow showers likely. Mostly cloudy, with a temperature falling to around 8 by 5pm. Wind chill values as low as -12. Windy, with a northwest wind 26 to 31 mph decreasing to 20 to 25 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 0. Wind chill values as low as -19. Blustery, with a northwest wind 14 to 20 mph, with gusts as high as 31 mph.
M.L.King Day
A 20 percent chance of snow before 11am. Partly sunny, with a high near 14. West wind 15 to 17 mph, with gusts as high as 33 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 18 by 5am. West wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 28. Northwest wind 16 to 18 mph, with gusts as high as 36 mph.
Tuesday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 10. Blustery, with a west wind 18 to 21 mph, with gusts as high as 36 mph.
Wednesday
A chance of snow before 11am. Partly sunny, with a high near 17.
Wednesday Night
Partly cloudy, with a low around 7.
Thursday
Partly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 7.
Friday
A chance of snow. Mostly cloudy, with a high near 15.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
Last Update:
12:16 pm MST Jan 17, 2026
Forecast Valid:
1pm MST Jan 17, 2026-6pm MST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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