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

73°F

23°C

Humidity 41%
Wind Speed SW 3 mph
Barometer 30.06 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Aug 8:15 pm MDT
Extended Forecast for

Lead SD

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Calm wind becoming north around 5 mph. Winds could gust as high as 16 mph.

    High: 75 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming northwest around 5 mph. Winds could gust as high as 17 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. Light and variable wind. Winds could gust as high as 15 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 54. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Calm wind becoming north around 5 mph. Winds could gust as high as 16 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Calm wind becoming northwest around 5 mph. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 54. Light and variable wind. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 57.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
A chance of showers and thunderstorms. Sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
5:46 pm MDT Aug 17, 2026
Forecast Valid:
8pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation