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

37°F

3°C

Humidity 33%
Wind Speed W 12 mph
Barometer 29.89 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 20 Jan 8:35 am MST
Extended Forecast for

3 Miles WSW Lead SD

  • Today

    Today: Snow, mainly after 11am. Patchy blowing snow after 1pm. Temperature falling to around 14 by 5pm. Wind chill values as low as -4. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 27 °F⇓

    Snow Likely
    then Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: A 40 percent chance of snow, mainly before 8pm. Patchy blowing snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 11. Wind chill values as low as -7. Breezy, with a west wind 21 to 23 mph, with gusts as high as 41 mph. New snow accumulation of less than one inch possible.

    Low: 11 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 11am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 8 by 11am. Wind chill values as low as -10. Blustery, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 20 °F⇓

    Chance Snow
    and Blustery
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 6. Wind chill values as low as -9. West wind 11 to 13 mph, with gusts as high as 31 mph.

    Low: 6 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a temperature rising to near 9 by noon, then falling to around 4 during the remainder of the day. West wind around 11 mph, with gusts as high as 26 mph.

    High: 9 °F⇓

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around -7. Northwest wind 6 to 8 mph, with gusts as high as 17 mph.

    Low: -7 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow. Partly sunny, with a high near 5. Southwest wind around 6 mph becoming north in the afternoon. Winds could gust as high as 17 mph.

    High: 5 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow, mainly before 11pm. Partly cloudy, with a low around -5. West wind around 7 mph, with gusts as high as 16 mph.

    Low: -5 °F

    Chance Snow

  • Saturday

    Saturday: A slight chance of snow. Mostly sunny, with a high near 15.

    High: 15 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Snow, mainly after 11am. Patchy blowing snow after 1pm. Temperature falling to around 14 by 5pm. Wind chill values as low as -4. Blustery, with a northwest wind 13 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A 40 percent chance of snow, mainly before 8pm. Patchy blowing snow before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 11. Wind chill values as low as -7. Breezy, with a west wind 21 to 23 mph, with gusts as high as 41 mph. New snow accumulation of less than one inch possible.
Wednesday
A 30 percent chance of snow before 11am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 8 by 11am. Wind chill values as low as -10. Blustery, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph in the afternoon. Winds could gust as high as 43 mph.
Wednesday Night
Mostly clear, with a low around 6. Wind chill values as low as -9. West wind 11 to 13 mph, with gusts as high as 31 mph.
Thursday
Partly sunny, with a temperature rising to near 9 by noon, then falling to around 4 during the remainder of the day. West wind around 11 mph, with gusts as high as 26 mph.
Thursday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around -7. Northwest wind 6 to 8 mph, with gusts as high as 17 mph.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 5. Southwest wind around 6 mph becoming north in the afternoon. Winds could gust as high as 17 mph.
Friday Night
A chance of snow, mainly before 11pm. Partly cloudy, with a low around -5. West wind around 7 mph, with gusts as high as 16 mph.
Saturday
A slight chance of snow. Mostly sunny, with a high near 15.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 6.
Sunday
A slight chance of snow. Mostly sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 12.
Monday
A slight chance of snow. Partly sunny, with a high near 34.
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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:
6:21 am MST Jan 20, 2026
Forecast Valid:
8am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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