Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

30°F

-1°C

Humidity 47%
Wind Speed W 6 mph
Barometer 29.88 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 1 Dec 4:55 pm MST
Extended Forecast for

Lead SD

  • Tonight

    Tonight: A 20 percent chance of snow after 3am.  Mostly cloudy, with a low around 22. Wind chill values as low as 14. West wind around 8 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 50 percent chance of snow, mainly after 8am.  Patchy fog after 11am. Patchy freezing fog after 5pm.  Otherwise, mostly cloudy, with a high near 34. Wind chill values as low as 16. West wind 8 to 10 mph, with gusts as high as 25 mph.  New snow accumulation of less than one inch possible.

    High: 34 °F

    Chance Snow
    and Patchy
    Freezing Fog

  • Tuesday Night

    Tuesday Night: Snow.  Patchy freezing fog before 11pm. Low around 11. Wind chill values as low as zero. Northwest wind around 9 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 11 °F

    Snow and
    Patchy
    Freezing Fog

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 21. Wind chill values as low as zero. Northwest wind 3 to 7 mph. Winds could gust as high as 18 mph.  New snow accumulation of less than one inch possible.

    High: 21 °F

    Chance Snow
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a temperature rising to around 22 by 5am. Southwest wind 3 to 7 mph. Winds could gust as high as 21 mph.

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 33. West wind 7 to 9 mph, with gusts as high as 22 mph.

    High: 33 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 24. West wind 7 to 13 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: A chance of snow.  Mostly cloudy, with a high near 34. West wind 8 to 11 mph, with gusts as high as 31 mph.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 20.

    Low: 20 °F

    Snow Likely

Detailed Forecast

Tonight
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 22. Wind chill values as low as 14. West wind around 8 mph, with gusts as high as 26 mph.
Tuesday
A 50 percent chance of snow, mainly after 8am. Patchy fog after 11am. Patchy freezing fog after 5pm. Otherwise, mostly cloudy, with a high near 34. Wind chill values as low as 16. West wind 8 to 10 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.
Tuesday Night
Snow. Patchy freezing fog before 11pm. Low around 11. Wind chill values as low as zero. Northwest wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Wednesday
A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 21. Wind chill values as low as zero. Northwest wind 3 to 7 mph. Winds could gust as high as 18 mph. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly clear, with a temperature rising to around 22 by 5am. Southwest wind 3 to 7 mph. Winds could gust as high as 21 mph.
Thursday
Partly sunny, with a high near 33. West wind 7 to 9 mph, with gusts as high as 22 mph.
Thursday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 24. West wind 7 to 13 mph, with gusts as high as 30 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 34. West wind 8 to 11 mph, with gusts as high as 31 mph.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 20.
Saturday
A chance of snow. Mostly cloudy, with a high near 33.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 25.
Monday
A slight chance of snow. Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
3:32 pm MST Dec 1, 2025
5pm MST Dec 1, 2025-6pm MST Dec 8, 2025
 
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Additional Resources

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