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

91°F

33°C

Humidity 24%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 14 Jul 9:35 am MDT
Extended Forecast for

Deadwood SD

  • Today

    Today: Sunny, with a high near 98. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Southeast wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. East wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 98. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Tonight
Mostly clear, with a low around 66. Southeast wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Wednesday
Sunny, with a high near 93. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 66. East wind 5 to 8 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91. Calm wind becoming northeast around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90.
Friday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64.
Saturday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.
Saturday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 63.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Deadwood SD
 44.38°N 103.72°W (Elev. 4905 ft)
Last Update:
8:47 am MDT Jul 14, 2026
Forecast Valid:
9am MDT Jul 14, 2026-6pm MDT Jul 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation