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 Windy

10°F

-12°C

Humidity 72%
Wind Speed NW 31 G 37 mph
Barometer 30.12 in
Dewpoint 3°F (-16°C)
Visibility 9.00 mi
Wind Chill-13°F (-25°C)
Last update 16 Jan 11:55 pm MST
Extended Forecast for

4 Miles WSW Lead SD

  • Overnight

    Overnight: Snow likely before 2am. Widespread blowing snow, mainly after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around -8. Wind chill values as low as -34. Windy, with a northwest wind 23 to 32 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: -8 °F

    Snow Likely
    and Blowing
    Snow

  • Saturday

    Saturday: Areas of blowing snow before 9am. Sunny, with a high near 23. Wind chill values as low as -34. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 23 °F

    Areas Blowing
    Snow and
    Blustery then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16. Wind chill values as low as -1. Windy, with a west wind 17 to 22 mph increasing to 29 to 34 mph after midnight. Winds could gust as high as 47 mph.

    Low: 16 °F

    Mostly Cloudy
    and Windy

  • Sunday

    Sunday: Snow likely, mainly before 11am. Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -8. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 23 °F⇓

    Snow Likely
    and Windy
    then Chance
    Snow and
    Blustery

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 1. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 36 mph.

    Low: 1 °F

    Chance Snow
    and Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 17. Northwest wind 13 to 16 mph, with gusts as high as 31 mph.

    High: 17 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. West wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 11 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. West wind around 15 mph, with gusts as high as 30 mph.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Overnight
Snow likely before 2am. Widespread blowing snow, mainly after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around -8. Wind chill values as low as -34. Windy, with a northwest wind 23 to 32 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Saturday
Areas of blowing snow before 9am. Sunny, with a high near 23. Wind chill values as low as -34. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
Mostly cloudy, with a low around 16. Wind chill values as low as -1. Windy, with a west wind 17 to 22 mph increasing to 29 to 34 mph after midnight. Winds could gust as high as 47 mph.
Sunday
Snow likely, mainly before 11am. Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -8. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 1. Blustery, with a northwest wind 17 to 20 mph, with gusts as high as 36 mph.
M.L.King Day
Mostly sunny, with a high near 17. Northwest wind 13 to 16 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, with a low around 11. West wind 13 to 16 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 34. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 14.
Wednesday
A chance of snow, mainly before 11am. Mostly cloudy, with a high near 20.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 7.
Thursday
A chance of snow. Mostly sunny, with a high near 23.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 5.
Friday
A chance of snow. Mostly cloudy, with a high near 16.
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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:
11:41 pm MST Jan 16, 2026
Forecast Valid:
12am MST Jan 17, 2026-6pm MST Jan 23, 2026
 
Forecast Discussion
 
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