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

19°F

-7°C

Humidity 58%
Wind Speed NW 20 G 29 mph
Barometer 30.27 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 18 Jan 6:55 pm MST
Extended Forecast for

6 Miles WSW Lead SD

  • 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 7 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. Wind chill values as low as 6. 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 temperature falling to around 9 by 5pm. Northwest wind 8 to 11 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.

    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. Calm wind becoming west around 6 mph. Winds could gust as high as 21 mph.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Chance Snow

Detailed Forecast

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 7 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. Wind chill values as low as 6. 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 temperature falling to around 9 by 5pm. Northwest wind 8 to 11 mph, with gusts as high as 36 mph. New snow accumulation of less than one inch possible.
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. Calm wind becoming west around 6 mph. Winds could gust as high as 21 mph.
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:
7:02 pm MST Jan 18, 2026
Forecast Valid:
7pm MST Jan 18, 2026-6pm MST Jan 25, 2026
 
Forecast Discussion
 
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