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

55°F

13°C

Humidity 67%
Wind Speed SW 6 mph
Barometer 30.02 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 30 Aug 10:15 pm MDT
Extended Forecast for

Spearfish SD

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. Light and variable wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 16 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. North wind around 6 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. Light southeast wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Southeast wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Light and variable wind.
Monday
Sunny, with a high near 83. Light and variable wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 58. North wind around 6 mph becoming calm after midnight.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. Light southeast wind becoming east 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday Night
Mostly clear, with a low around 59. Southeast wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 90. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 65.
Sunday
A slight chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.88°W (Elev. 3898 ft)
Last Update:
9:41 pm MDT Aug 30, 2026
Forecast Valid:
10pm MDT Aug 30, 2026-6pm MDT Sep 6, 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