National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

10°F

-12°C

Humidity 72%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 30 Nov 12:35 pm MST
Extended Forecast for

Lead SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 25. Wind chill values as low as 12. Calm wind.

    High: 25 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Southwest wind 3 to 6 mph. Winds could gust as high as 17 mph.

    Low: 4 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 28. Wind chill values as low as zero. West wind 7 to 10 mph, with gusts as high as 24 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 26 by 4am. Wind chill values as low as 12. Southwest wind around 7 mph, with gusts as high as 20 mph.

    Low: 20 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 36. West wind around 7 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow. Low around 14. Northwest wind 8 to 10 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 14 °F

    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 21. Northwest wind 5 to 9 mph becoming light west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    High: 21 °F

    Snow Likely
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 8. Calm wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 21 mph.

    Low: 8 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 25. Wind chill values as low as 12. Calm wind.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Southwest wind 3 to 6 mph. Winds could gust as high as 17 mph.
Monday
Sunny, with a high near 28. Wind chill values as low as zero. West wind 7 to 10 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 26 by 4am. Wind chill values as low as 12. Southwest wind around 7 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 36. West wind around 7 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.
Tuesday Night
Snow. Low around 14. Northwest wind 8 to 10 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 21. Northwest wind 5 to 9 mph becoming light west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 8. Calm wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 21 mph.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Partly sunny, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 24.
Saturday
A chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
12:27 pm MST Nov 30, 2025
Forecast Valid:
12pm MST Nov 30, 2025-6pm MST Dec 6, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation