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 and Breezy

37°F

3°C

Humidity 56%
Wind Speed NW 25 G 45 mph
Barometer 29.97 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Jan 7:15 am MST
Extended Forecast for

3 Miles WSW Lead SD

  • Today

    Today: Snow likely, mainly before 11am. Areas of blowing snow before noon. Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -6. Blustery, with a northwest wind 17 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 28 °F⇓

    Snow Likely
    and Areas
    Blowing Snow
    then Chance
    Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 4. Wind chill values as low as -13. Northwest wind 13 to 16 mph, with gusts as high as 33 mph.

    Low: 4 °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 -10. West wind 11 to 14 mph, with gusts as high as 36 mph.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 16 by 8pm, then rising to around 22 during the remainder of the night. Wind chill values as low as 4. West wind 8 to 10 mph, with gusts as high as 28 mph.

    Low: 16 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of snow. Mostly cloudy, with a temperature rising to near 28 by 10am, then falling to around 19 during the remainder of the day. Northwest wind 11 to 14 mph, with gusts as high as 36 mph. New snow accumulation of around an inch possible.

    High: 28 °F⇓

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a steady temperature around 18. West wind around 15 mph, with gusts as high as 38 mph.

    Low: 18 °F

    Chance Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 11am. Partly sunny, with a high near 22. Northwest wind 10 to 15 mph, with gusts as high as 39 mph.

    High: 22 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. West wind 6 to 8 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly before 11am. Areas of blowing snow before noon. Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -6. Blustery, with a northwest wind 17 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 4. Wind chill values as low as -13. Northwest wind 13 to 16 mph, with gusts as high as 33 mph.
M.L.King Day
Partly sunny, with a high near 21. Wind chill values as low as -10. West wind 11 to 14 mph, with gusts as high as 36 mph.
Monday Night
Mostly cloudy, with a temperature falling to near 16 by 8pm, then rising to around 22 during the remainder of the night. Wind chill values as low as 4. West wind 8 to 10 mph, with gusts as high as 28 mph.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a temperature rising to near 28 by 10am, then falling to around 19 during the remainder of the day. Northwest wind 11 to 14 mph, with gusts as high as 36 mph. New snow accumulation of around an inch possible.
Tuesday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a steady temperature around 18. West wind around 15 mph, with gusts as high as 38 mph.
Wednesday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 22. Northwest wind 10 to 15 mph, with gusts as high as 39 mph.
Wednesday Night
Partly cloudy, with a low around 11. West wind 6 to 8 mph, with gusts as high as 24 mph.
Thursday
Partly sunny, with a high near 34.
Thursday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 9.
Friday
Snow likely. Mostly cloudy, with a high near 17.
Friday Night
Snow likely. Mostly cloudy, with a low around -3.
Saturday
Snow likely. Mostly cloudy, with a high near 7.
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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:
6:16 am MST Jan 18, 2026
Forecast Valid:
7am MST Jan 18, 2026-6pm MST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation