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

63°F

17°C

Humidity 83%
Wind Speed SW 6 mph
Barometer 30.27 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Aug 9:55 pm MDT
Extended Forecast for

4 Miles WSW Sundance WY

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 77 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.

    High: 76 °F

    Slight 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 54.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 76. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
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 before midnight. Partly cloudy, with a low around 54.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Sundance WY
 44.39°N 104.44°W (Elev. 5197 ft)
Last Update:
8:36 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation