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

48°F

9°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 30.13 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 25 Jun 2:15 am MDT
Extended Forecast for

Belle Fourche SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. Calm wind becoming east around 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 70. Breezy, with an east wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 50. Southeast wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 85. Light and variable wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 60. Southeast wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 87. South wind 7 to 11 mph becoming west in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 81. Breezy.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. Calm wind becoming east around 5 mph.
Thursday
A chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 70. Breezy, with an east wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 50. Southeast wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 85. Light and variable wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 60. Southeast wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 87. South wind 7 to 11 mph becoming west in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 81. Breezy.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 53. Breezy.
Monday
Sunny, with a high near 80. Breezy.
Monday Night
Mostly clear, with a low around 51. Breezy.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.67°N 103.86°W (Elev. 3025 ft)
Last Update:
12:32 am MDT Jun 25, 2026
Forecast Valid:
2am MDT Jun 25, 2026-6pm MDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation