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

59°F

15°C

Humidity 100%
Wind Speed W 8 mph
Barometer 30.18 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Aug 3:35 am MDT
Extended Forecast for

Deadwood SD

  • Overnight

    Overnight: Isolated showers and thunderstorms. Mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 20%.

    Low: 54 °F

    Isolated
    T-storms

  • Saturday

    Saturday: Scattered showers and thunderstorms. Partly sunny, with a high near 73. Calm wind becoming north around 6 mph. Winds could gust as high as 16 mph. Chance of precipitation is 40%.

    High: 73 °F

    Scattered
    Showers then
    Scattered
    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 77. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 70%.

    High: 77 °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 53. Light and variable wind. Winds could gust as high as 16 mph.

    Low: 53 °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 82. Calm wind becoming north around 6 mph. Winds could gust as high as 17 mph.

    High: 82 °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. Mostly 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, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
Isolated showers and thunderstorms. Mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 20%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 73. Calm wind becoming north around 6 mph. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
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 77. Light and variable wind. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 53. Light and variable wind. Winds could gust as high as 16 mph.
Monday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming north around 6 mph. Winds could gust as high as 17 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 54. 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 77.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 51.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Deadwood SD
 44.38°N 103.72°W (Elev. 4905 ft)
Last Update:
3:16 am MDT Aug 15, 2026
Forecast Valid:
3am MDT Aug 15, 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