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

50°F

10°C

Humidity 47%
Wind Speed Calm
Barometer 29.64 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Apr 9:55 pm MDT
Extended Forecast for

Belle Fourche SD

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 3pm. Increasing clouds, with a high near 64. Breezy, with a west wind 16 to 22 mph becoming north in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%.

    High: 64 °F

    Breezy.
    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Low around 27. Wind chill values as low as 16. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow and
    Blustery then
    Snow Showers
    Likely

  • Friday

    Friday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 43. Wind chill values as low as 15. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Blustery, with a west wind 17 to 22 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 33 mph.

    Low: 22 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers between 1pm and 2pm, then a slight chance of rain showers after 2pm. Mostly sunny, with a high near 52. Breezy, with a northwest wind 11 to 16 mph increasing to 18 to 23 mph in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Northwest wind 13 to 18 mph becoming southwest 5 to 10 mph in the evening. Winds could gust as high as 29 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. South wind 5 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Showers likely and possibly a thunderstorm, mainly after 3pm. Increasing clouds, with a high near 64. Breezy, with a west wind 16 to 22 mph becoming north in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%.
Thursday Night
Rain showers before 9pm, then rain and snow showers between 9pm and 10pm, then snow showers after 10pm. Low around 27. Wind chill values as low as 16. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 43. Wind chill values as low as 15. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 22. Blustery, with a west wind 17 to 22 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 33 mph.
Saturday
A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers between 1pm and 2pm, then a slight chance of rain showers after 2pm. Mostly sunny, with a high near 52. Breezy, with a northwest wind 11 to 16 mph increasing to 18 to 23 mph in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 27. Northwest wind 13 to 18 mph becoming southwest 5 to 10 mph in the evening. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 66. South wind 5 to 13 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 47.
Wednesday
A chance of showers. Partly sunny, with a high near 73. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.67°N 103.86°W (Elev. 3025 ft)
Last Update:
9:36 pm MDT Apr 15, 2026
Forecast Valid:
10pm MDT Apr 15, 2026-6pm MDT Apr 22, 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