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

81°F

27°C

Humidity 28%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Aug 11:55 am MDT
Extended Forecast for

6 Miles WSW Lead SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 76. Light and variable wind becoming northwest around 5 mph. Winds could gust as high as 18 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Light and variable wind. Winds could gust as high as 16 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy smoke between 2am and 4am. Mostly clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Smoke

  • Friday

    Friday: Mostly sunny, with a high near 84. Light and variable wind. Winds could gust as high as 16 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 76. Light and variable wind becoming northwest around 5 mph. Winds could gust as high as 18 mph.
Tonight
Mostly clear, with a low around 51. Light and variable wind. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 83. Light and variable wind. Winds could gust as high as 16 mph.
Thursday Night
Patchy smoke between 2am and 4am. Mostly clear, with a low around 55. Light and variable wind.
Friday
Mostly sunny, with a high near 84. Light and variable wind. Winds could gust as high as 16 mph.
Friday Night
Mostly clear, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly clear, with a low around 54.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Lead SD
 44.33°N 103.89°W (Elev. 5197 ft)
Last Update:
11:41 am MDT Aug 19, 2026
Forecast Valid:
12pm MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation