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.

Overcast

72°F

22°C

Humidity 61%
Wind Speed NW 10 mph
Barometer 30.28 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Aug 11:35 am MDT
Extended Forecast for

6 Miles NNW Sundance WY

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 66. North wind around 6 mph.

    High: 66 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 70. South wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52. Calm wind becoming south around 6 mph after midnight.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Light and variable wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North wind around 5 mph becoming south after midnight.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    Showers then
    Chance
    T-storms

  • 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

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 66. North wind around 6 mph.
Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 70. South wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 52. Calm wind becoming south around 6 mph after midnight.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Light and variable wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North wind around 5 mph becoming south after midnight.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
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 70.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Sundance WY
 44.47°N 104.42°W (Elev. 5988 ft)
Last Update:
9:41 am MDT Aug 15, 2026
Forecast Valid:
11am 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