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

21°F

-6°C

Humidity 58%
Wind Speed NW 21 G 30 mph
Barometer 30.26 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 18 Jan 4:15 pm MST
Extended Forecast for

6 Miles WSW Lead SD

  • This Afternoon

    This Afternoon: A 50 percent chance of snow, mainly before 5pm. Mostly cloudy, with a steady temperature around 15. Wind chill values as low as 3. North wind around 6 mph, with gusts as high as 23 mph. Total daytime snow accumulation of around an inch possible.

    High: 15 °F

    Chance Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 3. Wind chill values as low as -5. Northwest wind 5 to 8 mph, with gusts as high as 30 mph.

    Low: 3 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 21. Wind chill values as low as -4. Northwest wind 6 to 10 mph, with gusts as high as 15 mph.

    High: 21 °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 6. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 22 mph.

    Low: 13 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow, mainly after 11am. Temperature rising to near 28 by 11am, then falling to around 17 during the remainder of the day. Northwest wind 5 to 10 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 28 °F⇓

    Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 16. West wind around 9 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow before 11am. Partly sunny, with a high near 22. Northwest wind 8 to 11 mph, with gusts as high as 36 mph.

    High: 22 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 24 mph.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow, mainly before 5pm. Mostly cloudy, with a steady temperature around 15. Wind chill values as low as 3. North wind around 6 mph, with gusts as high as 23 mph. Total daytime snow accumulation of around an inch possible.
Tonight
A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 3. Wind chill values as low as -5. Northwest wind 5 to 8 mph, with gusts as high as 30 mph.
M.L.King Day
Partly sunny, with a high near 21. Wind chill values as low as -4. Northwest wind 6 to 10 mph, with gusts as high as 15 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 6. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Tuesday
Snow, mainly after 11am. Temperature rising to near 28 by 11am, then falling to around 17 during the remainder of the day. Northwest wind 5 to 10 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 16. West wind around 9 mph, with gusts as high as 32 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 22. Northwest wind 8 to 11 mph, with gusts as high as 36 mph.
Wednesday Night
Partly cloudy, with a low around 8. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 24 mph.
Thursday
Partly sunny, with a high near 30.
Thursday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 4.
Friday
A chance of snow. Mostly cloudy, with a high near 18.
Friday Night
A chance of snow. Mostly cloudy, with a low around -2.
Saturday
A chance of snow. Partly sunny, with a high near 16.
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 23.
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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:
4:26 pm MST Jan 18, 2026
Forecast Valid:
4pm MST Jan 18, 2026-6pm MST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation