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.

Partly Cloudy and Breezy

21°F

-6°C

Humidity 35%
Wind Speed W 23 G 33 mph
Barometer 30.13 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 21 Jan 12:15 pm MST
Extended Forecast for

2 Miles SW Lead SD

  • This Afternoon

    This Afternoon: Mostly sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as -2. Northwest wind 11 to 16 mph, with gusts as high as 37 mph.

    High: 23 °F⇓

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Wind chill values as low as -9. West wind around 10 mph, with gusts as high as 32 mph.

    Low: 6 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow. Partly sunny, with a temperature rising to near 9 by noon, then falling to around 3 during the remainder of the day. Wind chill values as low as -11. Northwest wind around 10 mph, with gusts as high as 30 mph.

    High: 9 °F⇓

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -11. Wind chill values as low as -19. North wind 5 to 7 mph becoming light and variable in the evening. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.

    Low: -11 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 1. Southeast wind around 6 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 1 °F

    Snow Likely

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -7. Light and variable wind becoming west around 6 mph in the evening. Winds could gust as high as 16 mph. New snow accumulation of less than a half inch possible.

    Low: -7 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 12. West wind around 7 mph, with gusts as high as 22 mph.

    High: 12 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around -3. West wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: -3 °F

    Chance Snow

  • Sunday

    Sunday: A slight chance of snow before 11am. Mostly sunny, with a high near 15.

    High: 15 °F

    Slight Chance
    Snow then
    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as -2. Northwest wind 11 to 16 mph, with gusts as high as 37 mph.
Tonight
Partly cloudy, with a low around 6. Wind chill values as low as -9. West wind around 10 mph, with gusts as high as 32 mph.
Thursday
A 20 percent chance of snow. Partly sunny, with a temperature rising to near 9 by noon, then falling to around 3 during the remainder of the day. Wind chill values as low as -11. Northwest wind around 10 mph, with gusts as high as 30 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -11. Wind chill values as low as -19. North wind 5 to 7 mph becoming light and variable in the evening. Winds could gust as high as 18 mph. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 1. Southeast wind around 6 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -7. Light and variable wind becoming west around 6 mph in the evening. Winds could gust as high as 16 mph. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 12. West wind around 7 mph, with gusts as high as 22 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around -3. West wind 6 to 8 mph, with gusts as high as 21 mph.
Sunday
A slight chance of snow before 11am. Mostly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
A slight chance of snow. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
Last Update:
10:42 am MST Jan 21, 2026
Forecast Valid:
12pm MST Jan 21, 2026-6pm MST Jan 27, 2026
 
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Additional Resources

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