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

72°F

22°C

Humidity 22%
Wind Speed W 9 G 16 mph
Barometer 29.72 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 29 Jun 8:15 pm MDT
Extended Forecast for

Lead SD

  • Tonight

    Tonight: Mostly clear, with a low around 48. West wind 3 to 8 mph. Winds could gust as high as 25 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. West wind 3 to 6 mph. Winds could gust as high as 20 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy through mid morning, then becoming sunny, with a high near 75. Light and variable wind. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Calm wind becoming south around 5 mph. Winds could gust as high as 15 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming south around 5 mph. Winds could gust as high as 16 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West wind 3 to 8 mph. Winds could gust as high as 25 mph.
Tuesday
Sunny, with a high near 77. West wind 3 to 6 mph. Winds could gust as high as 20 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy through mid morning, then becoming sunny, with a high near 75. Light and variable wind. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 55. Calm wind becoming south around 5 mph. Winds could gust as high as 15 mph.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming south around 5 mph. Winds could gust as high as 16 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Friday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Friday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 54.
Independence Day
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 51.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 56.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
6:48 pm MDT Jun 29, 2026
Forecast Valid:
8pm MDT Jun 29, 2026-6pm MDT Jul 6, 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