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 >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

37°F

3°C

Humidity 65%
Wind Speed W 16 mph
Barometer 29.98 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 7 Dec 8:35 am MST
Extended Forecast for

Lead SD

  • Today

    Today: A 20 percent chance of snow before 11am. Partly sunny, with a high near 35. West wind 8 to 10 mph, with gusts as high as 26 mph.

    High: 35 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 29. Southwest wind 6 to 8 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind around 11 mph, with gusts as high as 29 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of snow before midnight, then a slight chance of rain and snow between midnight and 3am, then a slight chance of rain after 3am. Mostly cloudy, with a temperature falling to near 32 by 9pm, then rising to around 39 during the remainder of the night. Southwest wind 8 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.

    Low: 32 °F⇑

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain likely before 2pm, then snow likely. Mostly cloudy, with a temperature rising to near 45 by 11am, then falling to around 33 during the remainder of the day. West wind around 17 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 45 °F⇓

    Rain Likely
    then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 26. Northwest wind 7 to 15 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 36. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 36 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow. Mostly cloudy, with a low around 17. Northwest wind 7 to 9 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am. Partly sunny, with a high near 22.

    High: 22 °F

    Snow Likely

Detailed Forecast

Today
A 20 percent chance of snow before 11am. Partly sunny, with a high near 35. West wind 8 to 10 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a steady temperature around 29. Southwest wind 6 to 8 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 40. West wind around 11 mph, with gusts as high as 29 mph.
Monday Night
A slight chance of snow before midnight, then a slight chance of rain and snow between midnight and 3am, then a slight chance of rain after 3am. Mostly cloudy, with a temperature falling to near 32 by 9pm, then rising to around 39 during the remainder of the night. Southwest wind 8 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 20%.
Tuesday
Rain likely before 2pm, then snow likely. Mostly cloudy, with a temperature rising to near 45 by 11am, then falling to around 33 during the remainder of the day. West wind around 17 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26. Northwest wind 7 to 15 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 36. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
Snow. Mostly cloudy, with a low around 17. Northwest wind 7 to 9 mph, with gusts as high as 25 mph.
Thursday
Snow likely, mainly before 11am. Partly sunny, with a high near 22.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 3.
Friday
A chance of snow. Mostly cloudy, with a high near 14.
Friday Night
A chance of snow. Mostly cloudy, with a low around 6.
Saturday
A slight chance of snow. Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
Last Update:
6:11 am MST Dec 7, 2025
Forecast Valid:
8am MST Dec 7, 2025-6pm MST Dec 13, 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