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.

Partly Cloudy

50°F

10°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.15 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 25 Jun 12:15 am MDT
Extended Forecast for

Lead SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 63. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    High: 63 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight. Cloudy during the early evening, then gradual clearing, with a low around 49. South wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 22 mph.

    Low: 49 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Southeast wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 32 mph.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. West wind 5 to 7 mph, with gusts as high as 23 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 47. Calm wind.
Thursday
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 63. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Cloudy during the early evening, then gradual clearing, with a low around 49. South wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 22 mph.
Friday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Southeast wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 32 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. West wind 5 to 7 mph, with gusts as high as 23 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.
Sunday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 76.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 50.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
9:17 pm MDT Jun 24, 2026
Forecast Valid:
12am MDT Jun 25, 2026-6pm MDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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