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.

Fair

41°F

5°C

Humidity 57%
Wind Speed W 10 mph
Barometer 30.10 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 31 Jan 10:35 pm MST
Extended Forecast for

9 Miles SW North Spearfish SD

  • Tonight

    Tonight: Partly cloudy, with a low around 28. West wind around 7 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. West wind 3 to 6 mph. Winds could gust as high as 18 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30. Southwest wind around 6 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. Northwest wind 7 to 13 mph, with gusts as high as 28 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 25. West wind around 8 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly after 11am.  Mostly cloudy, with a high near 37. West wind 7 to 9 mph, with gusts as high as 24 mph.

    High: 37 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 25. Northwest wind around 7 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. West wind around 7 mph, with gusts as high as 21 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. West wind around 7 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 45. West wind 3 to 6 mph. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 30. Southwest wind around 6 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 41. Northwest wind 7 to 13 mph, with gusts as high as 28 mph.
Monday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 25. West wind around 8 mph, with gusts as high as 23 mph.
Tuesday
A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 37. West wind 7 to 9 mph, with gusts as high as 24 mph.
Tuesday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 25. Northwest wind around 7 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 43. West wind around 7 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW North Spearfish SD
 44.41°N 104.02°W (Elev. 5600 ft)
9:36 pm MST Jan 31, 2026
10pm MST Jan 31, 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