National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

43°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Nov 10:35 pm MST
Extended Forecast for

Belle Fourche SD

  • Tonight

    Tonight: A 20 percent chance of rain before 11pm. Areas of dense fog after 11pm. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Slight Chance
    Rain and
    Areas Fog
    then Areas
    Dense Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, partly sunny, with a high near 55. Northwest wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 55 °F

    Areas Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50. Calm wind becoming east around 6 mph in the afternoon.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Southeast wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Southwest wind 5 to 8 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. West wind 7 to 10 mph, with gusts as high as 17 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. West wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain before 11pm. Areas of dense fog after 11pm. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Wednesday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 55. Northwest wind 6 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 29. Northwest wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 50. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 29. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 57. Southwest wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 34. West wind 7 to 10 mph, with gusts as high as 17 mph.
Saturday
Sunny, with a high near 55. West wind 10 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 54.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.67°N 103.86°W (Elev. 3025 ft)
Last Update:
10:46 pm MST Nov 18, 2025
Forecast Valid:
10pm MST Nov 18, 2025-6pm MST Nov 25, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation