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

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

34°F

1°C

Humidity 51%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 12 Feb 9:35 pm MST
Extended Forecast for

Belle Fourche SD

  • Tonight

    Tonight: Mostly clear, with a low around 25. Wind chill values as low as 18. Southwest wind around 6 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Wind chill values as low as 19 early. Light and variable wind becoming north around 6 mph in the afternoon.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. Calm wind becoming west around 5 mph after midnight.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Light and variable wind becoming west around 6 mph in the morning.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Southwest wind around 6 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Light southwest wind.

    Low: 29 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 60. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Wind chill values as low as 18. Southwest wind around 6 mph.
Friday
Sunny, with a high near 58. Wind chill values as low as 19 early. Light and variable wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 26. Calm wind becoming west around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 59. Light and variable wind becoming west around 6 mph in the morning.
Saturday Night
Partly cloudy, with a low around 27. Southwest wind around 6 mph.
Sunday
Partly sunny, with a high near 62. Southwest wind 6 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 29. Light southwest wind.
Washington's Birthday
Sunny, with a high near 60. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 57. Breezy.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Partly sunny, with a high near 44. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Partly sunny, with a high near 41.
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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:
8:48 pm MST Feb 12, 2026
Forecast Valid:
9pm MST Feb 12, 2026-6pm MST Feb 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation