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

19°F

-7°C

Humidity 63%
Wind Speed NW 20 G 35 mph
Barometer 30.27 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 18 Jan 5:35 pm MST
Extended Forecast for

3 Miles WSW Lead SD

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Cloudy, with a steady temperature around 14. Wind chill values as low as 1. Northwest wind around 10 mph, with gusts as high as 38 mph.

    High: 14 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 5. Wind chill values as low as -9. Northwest wind 10 to 14 mph, with gusts as high as 34 mph.

    Low: 5 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 21. Wind chill values as low as -8. Northwest wind 11 to 14 mph, with gusts as high as 20 mph.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature rising to around 22 by 5am. Wind chill values as low as 4. West wind 6 to 9 mph, with gusts as high as 26 mph.

    Low: 18 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly after 11am. Mostly cloudy, with a temperature rising to near 28 by 11am, then falling to around 18 during the remainder of the day. Northwest wind 9 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 28 °F⇓

    Snow Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 18. West wind 14 to 16 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow before 11am. Partly sunny, with a high near 21. Northwest wind 11 to 17 mph, with gusts as high as 41 mph.

    High: 21 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. West wind 8 to 10 mph, with gusts as high as 29 mph.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Cloudy, with a steady temperature around 14. Wind chill values as low as 1. Northwest wind around 10 mph, with gusts as high as 38 mph.
Tonight
A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 5. Wind chill values as low as -9. Northwest wind 10 to 14 mph, with gusts as high as 34 mph.
M.L.King Day
Partly sunny, with a high near 21. Wind chill values as low as -8. Northwest wind 11 to 14 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 22 by 5am. Wind chill values as low as 4. West wind 6 to 9 mph, with gusts as high as 26 mph.
Tuesday
Snow likely, mainly after 11am. Mostly cloudy, with a temperature rising to near 28 by 11am, then falling to around 18 during the remainder of the day. Northwest wind 9 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 18. West wind 14 to 16 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.
Wednesday
A 50 percent chance of snow before 11am. Partly sunny, with a high near 21. Northwest wind 11 to 17 mph, with gusts as high as 41 mph.
Wednesday Night
Partly cloudy, with a low around 9. West wind 8 to 10 mph, with gusts as high as 29 mph.
Thursday
Partly sunny, with a high near 29.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 5.
Friday
A chance of snow. Mostly cloudy, with a high near 17.
Friday Night
A chance of snow. Mostly cloudy, with a low around -1.
Saturday
A chance of snow. Partly sunny, with a high near 14.
Saturday Night
A chance of snow. Mostly cloudy, with a low around -1.
Sunday
A slight chance of snow. Mostly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
Last Update:
4:26 pm MST Jan 18, 2026
Forecast Valid:
5pm MST Jan 18, 2026-6pm MST Jan 25, 2026
 
Forecast Discussion
 
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