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.

Overcast

36°F

2°C

Humidity 60%
Wind Speed NW 18 G 25 mph
Barometer 30.00 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 18 Jan 2:35 am MST
Extended Forecast for

Spearfish SD

Wind Advisory January 18, 02:56am until January 18, 04:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 18, 02:56am until January 18, 04:00pm

    NOW until 4:00pm Sun

    Wind Advisory

  • Overnight

    Low: 36 °F

    Cloudy and
    Windy

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a temperature falling to around 20 by 5pm. Wind chill values as low as 4. 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.

    High: 35 °F⇓

    Chance Snow
    and Windy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 10. Wind chill values as low as -3. Northwest wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 10 °F

    Mostly Cloudy

  • 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 16 to 24 mph, with gusts as high as 37 mph.

    High: 29 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 22 by 9pm, then rising to around 28 during the remainder of the night. West wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 22 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of snow. Mostly cloudy, with a high near 36. Breezy, with a northwest wind 16 to 25 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 19. Breezy, with a west wind 18 to 20 mph, with gusts as high as 34 mph.

    Low: 19 °F

    Slight Chance
    Snow and
    Breezy

  • Wednesday

    Wednesday: A slight chance of snow before 11am. Partly sunny, with a high near 28. Blustery, with a northwest wind 15 to 24 mph, with gusts as high as 37 mph.

    High: 28 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 36. Windy, with a west wind 29 to 32 mph, with gusts as high as 48 mph.
Sunday
A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a temperature falling to around 20 by 5pm. Wind chill values as low as 4. 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.
Sunday Night
Mostly cloudy, with a low around 10. 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. Wind chill values as low as -1. Breezy, with a west wind 16 to 24 mph, with gusts as high as 37 mph.
Monday Night
Mostly cloudy, with a temperature falling to near 22 by 9pm, then rising to around 28 during the remainder of the night. West wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 36. Breezy, with a northwest wind 16 to 25 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 19. Breezy, with a west wind 18 to 20 mph, with gusts as high as 34 mph.
Wednesday
A slight chance of snow before 11am. Partly sunny, with a high near 28. Blustery, with a northwest wind 15 to 24 mph, with gusts as high as 37 mph.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 40.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 11.
Friday
A chance of snow. Mostly cloudy, with a high near 20.
Friday Night
Snow likely. Mostly cloudy, with a low around 0.
Saturday
A chance of snow. Mostly cloudy, with a high near 10.
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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:
2:41 am MST Jan 18, 2026
Forecast Valid:
2am MST Jan 18, 2026-6pm MST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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