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.

A Few Clouds

63°F

17°C

Humidity 83%
Wind Speed SW 10 mph
Barometer 30.27 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Aug 10:35 pm MDT
Extended Forecast for

4 Miles WSW Lead SD

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight. Partly cloudy, with a low around 48. Light southwest wind. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers and thunderstorms likely after noon. Mostly sunny, with a high near 68. Calm wind. Chance of precipitation is 60%.

    High: 68 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 49. Calm wind becoming west around 5 mph in the evening.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. West wind around 5 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 48. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before midnight. Partly cloudy, with a low around 48. Light southwest wind. Chance of precipitation is 60%.
Sunday
A slight chance of showers, then showers and thunderstorms likely after noon. Mostly sunny, with a high near 68. Calm wind. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 49. Calm wind becoming west around 5 mph in the evening.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. West wind around 5 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 48. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 46.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 69.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.
Thursday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 53.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
Last Update:
10:51 pm MDT Aug 15, 2026
Forecast Valid:
10pm MDT Aug 15, 2026-6pm MDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation