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.

Overcast

52°F

11°C

Humidity 82%
Wind Speed SE 10 mph
Barometer 30.20 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 25 May 10:55 pm MDT
Extended Forecast for

9 Miles SW Lead SD

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 2am. Patchy fog. Otherwise, cloudy, with a steady temperature around 44. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.

    Low: 44 °F

    Chance
    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: A chance of showers, with thunderstorms also possible after noon. Patchy fog before 4pm. Otherwise, cloudy, with a high near 49. Southeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 49 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 37. Southeast wind 3 to 8 mph. Winds could gust as high as 20 mph.

    Low: 37 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 57. Light and variable wind becoming east around 6 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    High: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 38. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 57. Calm wind becoming northeast 5 to 7 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight. Mostly clear, with a low around 37. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers. Sunny, with a high near 61. Calm wind becoming northeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 2am. Patchy fog. Otherwise, cloudy, with a steady temperature around 44. Southeast wind 6 to 8 mph, with gusts as high as 16 mph.
Memorial Day
A chance of showers, with thunderstorms also possible after noon. Patchy fog before 4pm. Otherwise, cloudy, with a high near 49. Southeast wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Monday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 37. Southeast wind 3 to 8 mph. Winds could gust as high as 20 mph.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 57. Light and variable wind becoming east around 6 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 38. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 57. Calm wind becoming northeast 5 to 7 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 37. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Thursday
A slight chance of showers. Sunny, with a high near 61. Calm wind becoming northeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Mostly clear, with a low around 41.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 49.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Lead SD
 44.26°N 103.89°W (Elev. 6024 ft)
Last Update:
10:49 pm MDT May 25, 2025
Forecast Valid:
11pm MDT May 25, 2025-6pm MDT Jun 1, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation