Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

A Few Clouds

12°F

-11°C

Humidity 79%
Wind Speed W 3 mph
Barometer 30.15 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 27 Jan 3:35 am MST
Extended Forecast for

2 Miles SW Lead SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 13. Calm wind becoming northwest around 5 mph. Winds could gust as high as 16 mph.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 31. Wind chill values as low as 8. Northwest wind 5 to 7 mph, with gusts as high as 25 mph.

    High: 31 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a steady temperature around 23. Wind chill values as low as 13. West wind 7 to 9 mph, with gusts as high as 24 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 36. Wind chill values as low as 14. West wind around 6 mph becoming light and variable  in the afternoon. Winds could gust as high as 18 mph.

    High: 36 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly after 11pm.  Cloudy, with a low around 21. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 17 mph.  New snow accumulation of less than one inch possible.

    Low: 21 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 30. Northwest wind 6 to 8 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 30 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely.  Mostly cloudy, with a low around 16. West wind around 5 mph, with gusts as high as 15 mph.  Chance of precipitation is 70%.

    Low: 16 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 26. West wind around 6 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 26 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 13. Calm wind becoming northwest around 5 mph. Winds could gust as high as 16 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 31. Wind chill values as low as 8. Northwest wind 5 to 7 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a steady temperature around 23. Wind chill values as low as 13. West wind 7 to 9 mph, with gusts as high as 24 mph.
Wednesday
Increasing clouds, with a high near 36. Wind chill values as low as 14. West wind around 6 mph becoming light and variable in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A 40 percent chance of snow, mainly after 11pm. Cloudy, with a low around 21. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 17 mph. New snow accumulation of less than one inch possible.
Thursday
Snow likely. Mostly cloudy, with a high near 30. Northwest wind 6 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 16. West wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 26. West wind around 6 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 17.
Saturday
A chance of snow. Mostly cloudy, with a high near 37.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
3:21 am MST Jan 27, 2026
3am MST Jan 27, 2026-6pm MST Feb 2, 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