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 53%
Wind Speed NE 7 mph
Barometer 30.03 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 1 Sep 1:55 pm MDT
Extended Forecast for

Belle Fourche SD

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 72. Southwest wind 9 to 14 mph becoming southeast. Winds could gust as high as 26 mph.

    High: 72 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. East wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 92. East wind 5 to 10 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 92 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Southwest wind 11 to 18 mph becoming southeast in the evening. Winds could gust as high as 30 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 93. Southwest wind 7 to 13 mph becoming north in the morning. Winds could gust as high as 24 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. South wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 72. Southwest wind 9 to 14 mph becoming southeast. Winds could gust as high as 26 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 55. East wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 40%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 92. East wind 5 to 10 mph becoming southwest 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 63. Southwest wind 11 to 18 mph becoming southeast in the evening. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 93. Southwest wind 7 to 13 mph becoming north in the morning. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 61. South wind 7 to 14 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 97.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Breezy.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Breezy.
Labor Day
A chance of showers. Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.67°N 103.83°W (Elev. 3025 ft)
Last Update:
1:36 pm MDT Sep 1, 2026
Forecast Valid:
2pm MDT Sep 1, 2026-6pm MDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation