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.

Mostly Cloudy and Breezy

30°F

-1°C

Humidity 80%
Wind Speed NW 25 G 41 mph
Barometer 30.09 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 18 Jan 9:15 am MST
Extended Forecast for

4 Miles WSW Lead SD

  • Today

    Today: Snow likely, mainly before 11am. Areas of blowing snow. Mostly cloudy, with a temperature falling to around 8 by 5pm. Wind chill values as low as -12. Blustery, with a northwest wind 18 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 26 °F⇓

    Snow Likely
    and Areas
    Blowing Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 1. Wind chill values as low as -17. Northwest wind 14 to 18 mph, with gusts as high as 33 mph.

    Low: 1 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 18. Wind chill values as low as -16. West wind 15 to 17 mph, with gusts as high as 34 mph.

    High: 18 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 13 by 8pm, then rising to around 19 during the remainder of the night. Wind chill values as low as -2. West wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 13 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly before 11am. Mostly cloudy, with a temperature rising to near 24 by 10am, then falling to around 15 during the remainder of the day. Northwest wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 24 °F⇓

    Snow Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a steady temperature around 15. Blustery, with a west wind around 22 mph, with gusts as high as 37 mph.

    Low: 15 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: A 30 percent chance of snow before 11am. Partly sunny, with a high near 17. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 37 mph.

    High: 17 °F

    Chance Snow
    and Blustery
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. West wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly before 11am. Areas of blowing snow. Mostly cloudy, with a temperature falling to around 8 by 5pm. Wind chill values as low as -12. Blustery, with a northwest wind 18 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. 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 1. Wind chill values as low as -17. Northwest wind 14 to 18 mph, with gusts as high as 33 mph.
M.L.King Day
Partly sunny, with a high near 18. Wind chill values as low as -16. West wind 15 to 17 mph, with gusts as high as 34 mph.
Monday Night
Mostly cloudy, with a temperature falling to near 13 by 8pm, then rising to around 19 during the remainder of the night. Wind chill values as low as -2. West wind 11 to 14 mph, with gusts as high as 28 mph.
Tuesday
Snow likely, mainly before 11am. Mostly cloudy, with a temperature rising to near 24 by 10am, then falling to around 15 during the remainder of the day. Northwest wind 15 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. 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 15. Blustery, with a west wind around 22 mph, with gusts as high as 37 mph.
Wednesday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 17. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 37 mph.
Wednesday Night
Partly cloudy, with a low around 8. West wind 9 to 13 mph, with gusts as high as 24 mph.
Thursday
Partly sunny, with a high near 31.
Thursday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 6.
Friday
Snow likely. Mostly cloudy, with a high near 13.
Friday Night
Snow likely. Mostly cloudy, with a low around -5.
Saturday
Snow likely. Mostly cloudy, with a high near 4.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
Last Update:
8:56 am MST Jan 18, 2026
Forecast Valid:
9am MST Jan 18, 2026-6pm MST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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