National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Spearfish / Clyde Ice (KSPF)

Lat: 44.48°NLon: 103.78°WElev: 3898ft.

Fair

9°F

-13°C

Humidity 66%
Wind Speed W 7 mph
Barometer 30.36 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 28 Dec 11:35 pm MST
Extended Forecast for

Lead SD

  • Tonight

    Tonight: Mostly clear, with a temperature rising to around 12 by 4am. Wind chill values as low as -3. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 21 mph.

    Low: 6 °F⇑

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 34. Wind chill values as low as 4. West wind around 6 mph, with gusts as high as 21 mph.

    High: 34 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. West wind 6 to 8 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. West wind 7 to 9 mph, with gusts as high as 24 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a temperature rising to around 35 by 5am. Southwest wind 5 to 7 mph, with gusts as high as 23 mph.

    Low: 32 °F⇑

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 48. West wind 6 to 9 mph, with gusts as high as 24 mph.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Light west wind.

    Low: 31 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 47. Light west wind.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a temperature rising to around 12 by 4am. Wind chill values as low as -3. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 34. Wind chill values as low as 4. West wind around 6 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 26. West wind 6 to 8 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 40. West wind 7 to 9 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a temperature rising to around 35 by 5am. Southwest wind 5 to 7 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 48. West wind 6 to 9 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 31. Light west wind.
New Year's Day
Mostly sunny, with a high near 47. Light west wind.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 27.
Sunday
A slight chance of snow. Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
11:46 pm MST Dec 28, 2025
Forecast Valid:
11pm MST Dec 28, 2025-6pm MST Jan 4, 2026
 
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