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

23°F

-5°C

Humidity 54%
Wind Speed NW 23 G 43 mph
Barometer 30.25 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 18 Jan 3:15 pm MST
Extended Forecast for

3 Miles WSW Lead SD

  • This Afternoon

    This Afternoon: A 50 percent chance of snow, mainly before 5pm. Patchy blowing snow. Mostly cloudy, with a high near 27. Wind chill values as low as -3. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 28 mph. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 27 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 3. Wind chill values as low as -16. Northwest wind 14 to 18 mph, with gusts as high as 33 mph.

    Low: 3 °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 -13. West wind around 16 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 15 by 8pm, then rising to around 20 during the remainder of the night. Wind chill values as low as zero. West wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 15 °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 17 during the remainder of the day. Northwest wind 15 to 17 mph, with gusts as high as 36 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 16. Blustery, with a west wind around 21 mph, with gusts as high as 37 mph.

    Low: 16 °F

    Chance Snow
    and Blustery

  • Wednesday

    Wednesday: A 30 percent chance of snow before 11am. Partly sunny, with a high near 19. Blustery, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph.

    High: 19 °F

    Chance Snow
    and Blustery
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. West wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow, mainly before 5pm. Patchy blowing snow. Mostly cloudy, with a high near 27. Wind chill values as low as -3. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 28 mph. 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 3. Wind chill values as low as -16. 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 -13. West wind around 16 mph, with gusts as high as 34 mph.
Monday Night
Mostly cloudy, with a temperature falling to near 15 by 8pm, then rising to around 20 during the remainder of the night. Wind chill values as low as zero. 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 17 during the remainder of the day. Northwest wind 15 to 17 mph, with gusts as high as 36 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 16. Blustery, with a west wind around 21 mph, with gusts as high as 37 mph.
Wednesday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 19. Blustery, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph.
Wednesday Night
Partly cloudy, with a low around 10. West wind 9 to 11 mph, with gusts as high as 24 mph.
Thursday
Partly sunny, with a high near 32.
Thursday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 7.
Friday
Snow likely. Mostly cloudy, with a high near 14.
Friday Night
Snow likely. Mostly cloudy, with a low around -4.
Saturday
Snow likely. Mostly cloudy, with a high near 4.
Saturday Night
A chance of snow. Mostly cloudy, with a low around -7.
Sunday
A slight chance of snow. Mostly sunny, with a high near 13.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
Last Update:
1:21 pm MST Jan 18, 2026
Forecast Valid:
3pm MST Jan 18, 2026-6pm MST Jan 25, 2026
 
Forecast Discussion
 
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