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.

Fog/Mist

18°F

-8°C

Humidity 100%
Wind Speed NE 8 mph
Barometer 29.94 in
Dewpoint 18°F (-8°C)
Visibility 4.00 mi
Wind Chill8°F (-13°C)
Last update 6 Dec 7:15 pm MST
Extended Forecast for

Lead SD

  • Tonight

    Tonight: A chance of snow before 11pm, then a chance of snow after 1am. Patchy freezing fog before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than one inch possible.

    Low: 17 °F

    Chance Snow
    and Patchy
    Freezing Fog

  • Sunday

    Sunday: A 50 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 34. Wind chill values as low as 18. West wind 7 to 10 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a temperature falling to near 26 by 11pm, then rising to around 32 during the remainder of the night. Wind chill values as low as 19. Southwest wind 6 to 8 mph, with gusts as high as 22 mph.

    Low: 26 °F⇑

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. West wind around 11 mph, with gusts as high as 28 mph.

    High: 40 °F

    Partly 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 rising to around 38 by 4am. Southwest wind 10 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 34 °F⇑

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain likely before noon, then rain and snow likely between noon and 2pm, then snow likely after 2pm. Mostly cloudy, with a temperature rising to near 43 by 10am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind around 20 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 43 °F⇓

    Breezy. Rain
    Likely then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 24. Northwest wind 14 to 18 mph, with gusts as high as 36 mph.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 37. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 37 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Snow Likely

Detailed Forecast

Tonight
A chance of snow before 11pm, then a chance of snow after 1am. Patchy freezing fog before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Calm wind becoming west around 5 mph after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than one inch possible.
Sunday
A 50 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 34. Wind chill values as low as 18. West wind 7 to 10 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Sunday Night
Partly cloudy, with a temperature falling to near 26 by 11pm, then rising to around 32 during the remainder of the night. Wind chill values as low as 19. Southwest wind 6 to 8 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 40. West wind around 11 mph, with gusts as high as 28 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 rising to around 38 by 4am. Southwest wind 10 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Tuesday
Rain likely before noon, then rain and snow likely between noon and 2pm, then snow likely after 2pm. Mostly cloudy, with a temperature rising to near 43 by 10am, then falling to around 33 during the remainder of the day. Breezy, with a northwest wind around 20 mph, with gusts as high as 39 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24. Northwest wind 14 to 18 mph, with gusts as high as 36 mph.
Wednesday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 37. Southwest wind 9 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 17.
Thursday
A chance of snow. Partly sunny, with a high near 24.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 8.
Friday
A chance of snow. Partly sunny, with a high near 20.
Friday Night
A chance of snow. Mostly cloudy, with a low around 9.
Saturday
A slight chance of snow. Mostly sunny, with a high near 34.
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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:
6:57 pm MST Dec 6, 2025
Forecast Valid:
7pm MST Dec 6, 2025-6pm MST Dec 13, 2025
 
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