Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Mostly Cloudy

48°F

9°C

Humidity 43%
Wind Speed NW 7 mph
Barometer 30.12 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 1 Feb 10:55 am MST
Extended Forecast for

4 Miles WSW Lead SD

  • Today

    Today: Partly sunny, with a high near 39. West wind around 7 mph, with gusts as high as 21 mph.

    High: 39 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Wind chill values as low as 17. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. Wind chill values as low as 16. Northwest wind 14 to 16 mph, with gusts as high as 32 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Wind chill values as low as 12. Northwest wind 13 to 15 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow.  Mostly cloudy, with a high near 32. Northwest wind around 14 mph, with gusts as high as 28 mph.  New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 26 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. West wind around 9 mph, with gusts as high as 21 mph.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. West wind 13 to 16 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 39. West wind around 7 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 28. Wind chill values as low as 17. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 35. Wind chill values as low as 16. Northwest wind 14 to 16 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 24. Wind chill values as low as 12. Northwest wind 13 to 15 mph, with gusts as high as 30 mph.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 32. Northwest wind around 14 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
Partly cloudy, with a low around 21. West wind 10 to 14 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 40. West wind around 9 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 32. West wind 13 to 16 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
10:52 am MST Feb 1, 2026
11am MST Feb 1, 2026-6pm MST Feb 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database