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

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

1°F

-17°C

Humidity 55%
Wind Speed W 18 G 25 mph
Barometer 30.30 in
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-20°F (-29°C)
Last update 17 Jan 7:15 am MST
Extended Forecast for

Spearfish SD

High Wind Watch January 17, 08:00pm until January 18, 05:00pm
Click here for hazard details and duration
High Wind Watch

  • Today

    Today: Sunny, with a high near 36. Wind chill values as low as -18. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 36 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 2am. Increasing clouds, with a low around 24. Wind chill values as low as 15. Windy, with a west wind 23 to 28 mph increasing to 29 to 34 mph after midnight. Winds could gust as high as 47 mph.

    Low: 24 °F

    Windy. Mostly
    Cloudy then
    Slight Chance
    Snow

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a temperature falling to around 21 by 5pm. Wind chill values as low as 5. Windy, with a northwest wind 33 to 38 mph decreasing to 24 to 29 mph in the afternoon. Winds could gust as high as 55 mph. New snow accumulation of less than a half inch possible.

    High: 33 °F⇓

    Chance Snow
    and Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 12. Wind chill values as low as -3. Northwest wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 12 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 29. Blustery, with a west wind 14 to 22 mph, with gusts as high as 34 mph.

    High: 29 °F

    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 21 by 10pm, then rising to around 31 during the remainder of the night. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 38 mph.

    High: 43 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 18. Northwest wind around 18 mph, with gusts as high as 29 mph.

    Low: 18 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow, mainly before 11am. Mostly cloudy, with a high near 28. Blustery.

    High: 28 °F

    Chance Snow
    and Blustery

Detailed Forecast

Today
Sunny, with a high near 36. Wind chill values as low as -18. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of snow after 2am. Increasing clouds, with a low around 24. Wind chill values as low as 15. Windy, with a west wind 23 to 28 mph increasing to 29 to 34 mph after midnight. Winds could gust as high as 47 mph.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a temperature falling to around 21 by 5pm. Wind chill values as low as 5. Windy, with a northwest wind 33 to 38 mph decreasing to 24 to 29 mph in the afternoon. Winds could gust as high as 55 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 12. Wind chill values as low as -3. Northwest wind 14 to 18 mph, with gusts as high as 26 mph.
M.L.King Day
Partly sunny, with a high near 29. Blustery, with a west wind 14 to 22 mph, with gusts as high as 34 mph.
Monday Night
Mostly cloudy, with a temperature falling to near 21 by 10pm, then rising to around 31 during the remainder of the night. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 43. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 38 mph.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 18. Northwest wind around 18 mph, with gusts as high as 29 mph.
Wednesday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 28. Blustery.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 11.
Thursday
A slight chance of snow. Partly sunny, with a high near 31.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 9.
Friday
A chance of snow. Mostly cloudy, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
Last Update:
6:26 am MST Jan 17, 2026
Forecast Valid:
7am MST Jan 17, 2026-6pm MST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation