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.

A Few Clouds

28°C

82°F

Humidity 23%
Wind Speed SW 13 km/h
Barometer 29.64 in
Dewpoint 5°C (41°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 9 Jun 6:15 pm MDT
Extended Forecast for

Belle Fourche SD

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 11. West wind 16 to 26 km/h, with gusts as high as 45 km/h.

    Low: 11 °C

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 22. Breezy, with a west wind 26 to 32 km/h, with gusts as high as 47 km/h. Chance of precipitation is 30%.

    High: 22 °C

    Breezy. Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Cloudy, then gradual clearing toward daybreak, with a low around 7. Breezy, with a west wind 27 to 32 km/h increasing to 35 to 40 km/h after midnight. Winds could gust as high as 60 km/h. Chance of precipitation is 20%.

    Low: 7 °C

    Slight Chance
    T-storms then
    Gradual
    Clearing and
    Breezy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 21. Windy, with a northwest wind 45 to 55 km/h, with gusts as high as 75 km/h. Chance of precipitation is 30%.

    High: 21 °C

    Windy. Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 7. Breezy, with a northwest wind 30 to 40 km/h becoming southwest 10 to 20 km/h. Winds could gust as high as 65 km/h.

    Low: 7 °C

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 26. Southeast wind 5 to 10 km/h becoming north 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h.

    High: 26 °C

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 8.

    Low: 8 °C

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 22. Breezy.

    High: 22 °C

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 6. Breezy.

    Low: 6 °C

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 11. West wind 16 to 26 km/h, with gusts as high as 45 km/h.
Wednesday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 22. Breezy, with a west wind 26 to 32 km/h, with gusts as high as 47 km/h. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Cloudy, then gradual clearing toward daybreak, with a low around 7. Breezy, with a west wind 27 to 32 km/h increasing to 35 to 40 km/h after midnight. Winds could gust as high as 60 km/h. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after 3pm. Mostly sunny, with a high near 21. Windy, with a northwest wind 45 to 55 km/h, with gusts as high as 75 km/h. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 7. Breezy, with a northwest wind 30 to 40 km/h becoming southwest 10 to 20 km/h. Winds could gust as high as 65 km/h.
Friday
Sunny, with a high near 26. Southeast wind 5 to 10 km/h becoming north 19 to 24 km/h in the afternoon. Winds could gust as high as 34 km/h.
Friday Night
Mostly clear, with a low around 8.
Saturday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 22. Breezy.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 6. Breezy.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 18.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 6.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 21.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.67°N 103.86°W (Elev. 3025 m)
Last Update:
5:53 pm MDT Jun 9, 2026
Forecast Valid:
6pm MDT Jun 9, 2026-6pm MDT Jun 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation