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.

Overcast

18°F

-8°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 6 Dec 8:35 pm MST
Extended Forecast for

6 Miles WSW Lead SD

  • Tonight

    Tonight: A chance of snow before 11pm, then snow likely after 1am. Patchy fog between 11pm and 3am. Patchy freezing fog before 11pm. Otherwise, increasing clouds, with a low around 14. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 14 °F

    Snow Likely
    and Patchy
    Freezing Fog

  • Sunday

    Sunday: A 50 percent chance of snow before 11am. Cloudy through mid morning, then gradual clearing, with a high near 33. Wind chill values as low as 16. West wind 5 to 8 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. West wind around 5 mph becoming calm. Winds could gust as high as 18 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39. Wind chill values as low as 20. West wind 6 to 9 mph, with gusts as high as 25 mph.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely, possibly mixed with rain, mainly after 5am. Mostly cloudy, with a low around 27. West wind 8 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain before 1pm, then rain and snow between 1pm and 3pm, then snow after 3pm. Temperature rising to near 41 by 11am, then falling to around 29 during the remainder of the day. West wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F⇓

    Rain then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 19. Northwest wind 9 to 15 mph, with gusts as high as 32 mph.

    Low: 19 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely. Mostly cloudy, with a high near 36. Southwest wind around 9 mph, with gusts as high as 18 mph.

    High: 36 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Snow Likely

Detailed Forecast

Tonight
A chance of snow before 11pm, then snow likely after 1am. Patchy fog between 11pm and 3am. Patchy freezing fog before 11pm. Otherwise, increasing clouds, with a low around 14. Calm wind. Winds could gust as high as 15 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Sunday
A 50 percent chance of snow before 11am. Cloudy through mid morning, then gradual clearing, with a high near 33. Wind chill values as low as 16. West wind 5 to 8 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a low around 20. West wind around 5 mph becoming calm. Winds could gust as high as 18 mph.
Monday
Partly sunny, with a high near 39. Wind chill values as low as 20. West wind 6 to 9 mph, with gusts as high as 25 mph.
Monday Night
Snow likely, possibly mixed with rain, mainly after 5am. Mostly cloudy, with a low around 27. West wind 8 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain before 1pm, then rain and snow between 1pm and 3pm, then snow after 3pm. Temperature rising to near 41 by 11am, then falling to around 29 during the remainder of the day. West wind 14 to 17 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19. Northwest wind 9 to 15 mph, with gusts as high as 32 mph.
Wednesday
Snow likely. Mostly cloudy, with a high near 36. Southwest wind around 9 mph, with gusts as high as 18 mph.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 14.
Thursday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 24.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 5.
Friday
A chance of snow. Partly sunny, with a high near 20.
Friday Night
A chance of snow. Mostly cloudy, with a low around 6.
Saturday
A slight chance of snow. Mostly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
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:
6:57 pm MST Dec 6, 2025
Forecast Valid:
8pm MST Dec 6, 2025-6pm MST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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