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

64°F

18°C

Humidity 83%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 14 Aug 11:35 pm MDT
Extended Forecast for

Lead SD

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 4am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 70. Calm wind becoming north around 5 mph. Winds could gust as high as 15 mph. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 74. Light and variable wind. Chance of precipitation is 70%.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph. Winds could gust as high as 15 mph.

    High: 79 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Partly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 50%.
Saturday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 70. Calm wind becoming north around 5 mph. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. Calm wind.
Sunday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 74. Light and variable wind. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph. Winds could gust as high as 15 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Partly cloudy, with a low around 54. Chance of precipitation is 60%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 76.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 54.
Friday
Sunny, with a high near 81.
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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:
11:16 pm MDT Aug 14, 2026
Forecast Valid:
11pm MDT Aug 14, 2026-6pm MDT Aug 21, 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