Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

34°F

1°C

Humidity 75%
Wind Speed NW 10 mph
Barometer 30.22 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 29 Jan 6:55 pm MST
Extended Forecast for

9 Miles SW North Spearfish SD

Winter Weather Advisory January 29, 07:03pm until January 30, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 29, 07:03pm until January 30, 05:00pm

    NOW until 5:00pm Fri

    Winter Weather Advisory

  • Tonight

    Low: 21 °F

    Snow Likely
    and Patchy
    Fog

  • Friday

    Friday: A 50 percent chance of snow.  Patchy fog before 8am.  Otherwise, cloudy, with a high near 30. Calm wind.  New snow accumulation of less than one inch possible.

    High: 30 °F

    Chance Snow
    and Patchy
    Fog

  • Friday Night

    Friday Night: A 40 percent chance of snow after 11pm.  Mostly cloudy, with a temperature rising to around 28 by 5am. Wind chill values as low as 16. Calm wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 20 mph.  New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 38. West wind 8 to 10 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. West wind around 9 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 40. West wind 5 to 7 mph becoming calm  in the afternoon. Winds could gust as high as 18 mph.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. South wind 3 to 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. Southwest wind 5 to 7 mph becoming northwest in the morning. Winds could gust as high as 20 mph.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow likely. Patchy fog. Otherwise, mostly cloudy, with a low around 21. Northwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
Friday
A 50 percent chance of snow. Patchy fog before 8am. Otherwise, cloudy, with a high near 30. Calm wind. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a temperature rising to around 28 by 5am. Wind chill values as low as 16. Calm wind becoming southwest 5 to 7 mph in the evening. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 38. West wind 8 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 26. West wind around 9 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 40. West wind 5 to 7 mph becoming calm in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 26. South wind 3 to 5 mph.
Monday
Partly sunny, with a high near 41. Southwest wind 5 to 7 mph becoming northwest in the morning. Winds could gust as high as 20 mph.
Monday Night
A slight chance of snow. Partly cloudy, with a low around 25.
Tuesday
A slight chance of snow. Partly sunny, with a high near 34.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 20.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW North Spearfish SD
 44.41°N 104.02°W (Elev. 5600 ft)
5:47 pm MST Jan 29, 2026
7pm MST Jan 29, 2026-6pm MST Feb 5, 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