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

30°F

-1°C

Humidity 11%
Wind Speed W 8 mph
Barometer 30.05 in
Dewpoint -18°F (-28°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 17 Jan 3:35 pm MST
Extended Forecast for

Spearfish SD

Wind Advisory January 17, 09:00pm until January 18, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A 20 percent chance of snow showers after 2am. Mostly cloudy, with a low around 27. Wind chill values as low as 18. Windy, with a west wind 16 to 21 mph increasing to 25 to 30 mph in the evening. Winds could gust as high as 44 mph.

    Low: 27 °F

    Windy. Mostly
    Cloudy then
    Slight Chance
    Snow Showers

  • Sunday

    Sunday: A 50 percent chance of snow showers. Mostly cloudy, with a temperature falling to around 20 by 5pm. Wind chill values as low as 4. Windy, with a northwest wind 27 to 32 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 48 mph. New snow accumulation of less than one inch possible.

    High: 32 °F⇓

    Chance Snow
    Showers and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 12. Wind chill values as low as -1. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 12 °F

    Slight Chance
    Snow

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 29. Wind chill values as low as -1. Breezy, with a west wind 15 to 22 mph, with gusts as high as 34 mph.

    High: 29 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. West wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 39. Breezy, with a northwest wind 16 to 23 mph, with gusts as high as 37 mph.

    High: 39 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20. West wind 15 to 17 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 11am. Partly sunny, with a high near 28. Blustery, with a northwest wind 14 to 21 mph, with gusts as high as 33 mph.

    High: 28 °F

    Blustery.
    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow showers after 2am. Mostly cloudy, with a low around 27. Wind chill values as low as 18. Windy, with a west wind 16 to 21 mph increasing to 25 to 30 mph in the evening. Winds could gust as high as 44 mph.
Sunday
A 50 percent chance of snow showers. Mostly cloudy, with a temperature falling to around 20 by 5pm. Wind chill values as low as 4. Windy, with a northwest wind 27 to 32 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 48 mph. New snow accumulation of less than one inch possible.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12. Wind chill values as low as -1. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
M.L.King Day
Partly sunny, with a high near 29. Wind chill values as low as -1. Breezy, with a west wind 15 to 22 mph, with gusts as high as 34 mph.
Monday Night
Mostly cloudy, with a low around 20. West wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday
A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 39. Breezy, with a northwest wind 16 to 23 mph, with gusts as high as 37 mph.
Tuesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20. West wind 15 to 17 mph, with gusts as high as 30 mph.
Wednesday
A chance of snow before 11am. Partly sunny, with a high near 28. Blustery, with a northwest wind 14 to 21 mph, with gusts as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 40.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 14.
Friday
A chance of snow. Mostly cloudy, with a high near 23.
Friday Night
Snow likely. Mostly cloudy, with a low around 1.
Saturday
A chance of snow. Mostly cloudy, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
Last Update:
3:21 pm MST Jan 17, 2026
Forecast Valid:
4pm MST Jan 17, 2026-6pm MST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation