Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Freezing Fog

25°F

-4°C

Humidity 100%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 25°F (-4°C)
Visibility 0.15 mi
Last update 30 Jan 2:55 am MST
Extended Forecast for

4 Miles WSW Lead SD

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

    NOW until 5:00pm Fri

    Winter Weather Advisory

  • Overnight

    Low: 22 °F

    Chance Snow
    and Patchy
    Fog

  • Friday

    Friday: A 40 percent chance of snow.  Patchy fog before 11am.  Otherwise, cloudy, with a high near 27. Wind chill values as low as 11. Northwest wind around 6 mph, with gusts as high as 16 mph.  New snow accumulation of less than one inch possible.

    High: 27 °F

    Chance Snow
    and Patchy
    Fog

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a temperature rising to around 25 by 3am. Wind chill values as low as 10. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.  New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 35. Wind chill values as low as 17. West wind 10 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. West wind around 16 mph, with gusts as high as 29 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 40. Northwest wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. Northwest wind 10 to 13 mph, with gusts as high as 28 mph.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 30 percent chance of snow. Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 22. Wind chill values as low as 13. Northwest wind around 7 mph, with gusts as high as 16 mph.
Friday
A 40 percent chance of snow. Patchy fog before 11am. Otherwise, cloudy, with a high near 27. Wind chill values as low as 11. Northwest wind around 6 mph, with gusts as high as 16 mph. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a temperature rising to around 25 by 3am. Wind chill values as low as 10. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 35. Wind chill values as low as 17. West wind 10 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 25. West wind around 16 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 40. Northwest wind 6 to 11 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 26. Southwest wind 7 to 10 mph, with gusts as high as 16 mph.
Monday
Mostly sunny, with a high near 37. Northwest wind 10 to 13 mph, with gusts as high as 28 mph.
Monday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 24.
Tuesday
A chance of snow. Partly sunny, with a high near 31.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 33.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
1:52 am MST Jan 30, 2026
3am MST Jan 30, 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