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

64°F

18°C

Humidity 68%
Wind Speed S 10 G 20 mph
Barometer 29.76 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 26 Jun 10:15 pm MDT
Extended Forecast for

Spearfish SD

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Some of the storms could be severe. Partly cloudy, with a temperature rising to around 69 by 4am. South wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 62 °F⇑

    Severe
    Thunderstorms
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 59. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. West wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 57. South wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Monday

    Monday: Sunny, with a high near 78. Breezy, with a west wind 7 to 17 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 78 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. Breezy.

    Low: 54 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Some of the storms could be severe. Partly cloudy, with a temperature rising to around 69 by 4am. South wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 59. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 82. West wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Mostly cloudy, with a low around 57. South wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Monday
Sunny, with a high near 78. Breezy, with a west wind 7 to 17 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 43 mph.
Monday Night
Mostly clear, with a low around 54. Breezy.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 63.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
Last Update:
10:32 pm MDT Jun 26, 2026
Forecast Valid:
10pm MDT Jun 26, 2026-6pm MDT Jul 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation