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

61°F

16°C

Humidity 68%
Wind Speed W 7 mph
Barometer 30.05 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 8 Sep 12:55 am MDT
Extended Forecast for

Belle Fourche SD

  • Overnight

    Overnight: Mostly clear, with a low around 51. West wind 8 to 10 mph, with gusts as high as 16 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind 8 to 18 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Northwest wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Northwest wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Southwest wind 3 to 8 mph. Winds could gust as high as 17 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 51. West wind 8 to 10 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 81. West wind 8 to 18 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 48. Northwest wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 81. Northwest wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 48. Northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 91. Southwest wind 3 to 8 mph. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 80. Breezy.
Friday Night
Mostly clear, with a low around 44. Breezy.
Saturday
Mostly sunny, with a high near 73. Breezy.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Breezy.
Sunday
A chance of showers. Partly sunny, with a high near 69. Breezy.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 41. Breezy.
Monday
A slight chance of showers. Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.67°N 103.86°W (Elev. 3025 ft)
Last Update:
1:06 am MDT Sep 8, 2026
Forecast Valid:
1am MDT Sep 8, 2026-6pm MDT Sep 14, 2026
 
Forecast Discussion
 
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Additional Resources

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