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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Partly Cloudy

32°F

0°C

Humidity 64%
Wind Speed Calm
Barometer 29.56 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 5 Dec 11:35 pm MST
Extended Forecast for

4 Miles WSW Lead SD

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 2am. Mostly cloudy, with a steady temperature around 23. Wind chill values as low as 11. West wind around 10 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after 11am. Cloudy, with a temperature rising to near 26 by 9am, then falling to around 17 during the remainder of the day. Wind chill values as low as 4. Northwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F⇓

    Snow Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Cloudy, with a low around 11. Wind chill values as low as 2. West wind 6 to 10 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 28. Wind chill values as low as 7. West wind around 11 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Chance Snow
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. West wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 33. West wind around 14 mph, with gusts as high as 29 mph.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Southwest wind 14 to 18 mph, with gusts as high as 31 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a high near 38. West wind 15 to 18 mph, with gusts as high as 36 mph.

    High: 38 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow likely. Mostly cloudy, with a low around 21. Blustery.

    Low: 21 °F

    Snow Likely
    and Blustery

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after 2am. Mostly cloudy, with a steady temperature around 23. Wind chill values as low as 11. West wind around 10 mph, with gusts as high as 18 mph.
Saturday
Snow likely, mainly after 11am. Cloudy, with a temperature rising to near 26 by 9am, then falling to around 17 during the remainder of the day. Wind chill values as low as 4. Northwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 40 percent chance of snow. Cloudy, with a low around 11. Wind chill values as low as 2. West wind 6 to 10 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 28. Wind chill values as low as 7. West wind around 11 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly cloudy, with a low around 20. West wind 10 to 13 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 33. West wind around 14 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 25. Southwest wind 14 to 18 mph, with gusts as high as 31 mph.
Tuesday
A chance of snow before 9am, then a chance of rain and snow between 9am and 3pm, then a chance of snow after 3pm. Mostly cloudy, with a high near 38. West wind 15 to 18 mph, with gusts as high as 36 mph.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 21. Blustery.
Wednesday
A chance of snow. Mostly cloudy, with a high near 32.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 17.
Thursday
Snow likely. Mostly cloudy, with a high near 30.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 11.
Friday
A chance of snow. Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
Last Update:
9:41 pm MST Dec 5, 2025
Forecast Valid:
11pm MST Dec 5, 2025-6pm MST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation