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 10:15 pm MST
Extended Forecast for

Spearfish SD

  • Tonight

    Tonight: Partly cloudy, with a low around 36. West wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. West wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35. South wind 3 to 7 mph. Winds could gust as high as 17 mph.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 50. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 32 mph.

    High: 50 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A slight chance of rain between 11pm and 4am, then a slight chance of snow after 4am.  Partly cloudy, with a low around 33. West wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of rain and snow before 7am, then a chance of rain.  Partly sunny, with a high near 46. West wind 11 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. West wind around 9 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. West wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 55. West wind 5 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 35. South wind 3 to 7 mph. Winds could gust as high as 17 mph.
Monday
Mostly sunny, with a high near 50. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 32 mph.
Monday Night
A slight chance of rain between 11pm and 4am, then a slight chance of snow after 4am. Partly cloudy, with a low around 33. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of rain and snow before 7am, then a chance of rain. Partly sunny, with a high near 46. West wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 30. West wind around 9 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 53. West wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 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