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.

Thunderstorm in Vicinity

72°F

22°C

Humidity 61%
Wind Speed NW 10 mph
Barometer 30.27 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Aug 2:35 pm MDT
Extended Forecast for

10 Miles NNW Sundance WY

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 71. Calm wind becoming north around 5 mph.

    High: 71 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 53. Light and variable wind becoming south around 5 mph after midnight.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. South wind around 5 mph becoming light and variable in the afternoon.

    High: 75 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. Light and variable wind becoming southwest around 6 mph in the evening.

    Low: 57 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 80. Light and variable wind becoming northwest around 6 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, then showers likely after 9pm. Mostly cloudy, with a low around 57. Northeast wind around 5 mph becoming light and variable. Chance of precipitation is 60%.

    Low: 57 °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 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 71. Calm wind becoming north around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 53. Light and variable wind becoming south around 5 mph after midnight.
Sunday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. South wind around 5 mph becoming light and variable in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. Light and variable wind becoming southwest around 6 mph in the evening.
Monday
Mostly sunny, with a high near 80. Light and variable wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely after 9pm. Mostly cloudy, with a low around 57. Northeast wind around 5 mph becoming light and variable. Chance of precipitation is 60%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Wednesday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Sundance WY
 44.54°N 104.45°W (Elev. 5344 ft)
Last Update:
2:27 pm MDT Aug 15, 2026
Forecast Valid:
2pm 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