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

16°F

-9°C

Humidity 22%
Wind Speed W 10 G 16 mph
Barometer 30.24 in
Dewpoint -17°F (-27°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 17 Jan 11:15 am MST
Extended Forecast for

6 Miles WSW Lead SD

  • Today

    Today: Mostly sunny, with a high near 25. Wind chill values as low as 6. West wind 6 to 8 mph, with gusts as high as 23 mph.

    High: 25 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 2am. Mostly cloudy, with a temperature rising to around 28 by 11pm. Wind chill values as low as 7. Blustery, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 39 mph. New snow accumulation of less than a half inch possible.

    Low: 17 °F⇑

    Chance Snow
    and Blustery

  • Sunday

    Sunday: Snow likely, mainly before 11am. Cloudy, with a temperature falling to around 12 by 5pm. Wind chill values as low as -1. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F⇓

    Snow Likely
    and Blustery
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 4. Wind chill values as low as -7. Northwest wind 6 to 9 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    Low: 4 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 23. West wind 7 to 10 mph, with gusts as high as 31 mph.

    High: 23 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 22 by 5am. West wind 3 to 6 mph. Winds could gust as high as 23 mph.

    Low: 15 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 37. Northwest wind 7 to 10 mph, with gusts as high as 32 mph.

    High: 37 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 12. Northwest wind 6 to 8 mph, with gusts as high as 29 mph.

    Low: 12 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 22.

    High: 22 °F

    Chance Snow

Detailed Forecast

Today
Mostly sunny, with a high near 25. Wind chill values as low as 6. West wind 6 to 8 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of snow, mainly after 2am. Mostly cloudy, with a temperature rising to around 28 by 11pm. Wind chill values as low as 7. Blustery, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 39 mph. New snow accumulation of less than a half inch possible.
Sunday
Snow likely, mainly before 11am. Cloudy, with a temperature falling to around 12 by 5pm. Wind chill values as low as -1. Blustery, with a northwest wind 11 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 4. Wind chill values as low as -7. Northwest wind 6 to 9 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
M.L.King Day
Partly sunny, with a high near 23. West wind 7 to 10 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 22 by 5am. West wind 3 to 6 mph. Winds could gust as high as 23 mph.
Tuesday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 37. Northwest wind 7 to 10 mph, with gusts as high as 32 mph.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 12. Northwest wind 6 to 8 mph, with gusts as high as 29 mph.
Wednesday
A chance of snow. Mostly cloudy, with a high near 22.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 5.
Thursday
A slight chance of snow. Partly sunny, with a high near 25.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 4.
Friday
A chance of snow. Mostly cloudy, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Lead SD
 44.33°N 103.89°W (Elev. 5197 ft)
Last Update:
10:21 am MST Jan 17, 2026
Forecast Valid:
11am MST Jan 17, 2026-6pm MST Jan 23, 2026
 
Forecast Discussion
 
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