National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

41°F

5°C

Humidity 39%
Wind Speed NE 9 mph
Barometer 30.10 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 28 Jan 11:15 am MST
Extended Forecast for

3 Miles S Whitewood SD

  • Today

    Today: Mostly cloudy, with a high near 40. Northwest wind around 8 mph becoming northeast in the afternoon.

    High: 40 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 11pm. Cloudy, with a steady temperature around 30. Wind chill values as low as 18. Light southwest wind becoming west 9 to 14 mph in the evening. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow

  • Thursday

    Thursday: Snow. High near 34. Wind chill values as low as 16. Northwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 34 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 18. Northwest wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Snow Likely

  • Friday

    Friday: Snow likely, mainly before 11am. Mostly cloudy, with a steady temperature around 22. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Snow Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a temperature falling to near 19 by 10pm, then rising to around 28 during the remainder of the night. Southeast wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 15 mph.

    Low: 19 °F⇑

    Chance Snow

  • Saturday

    Saturday: A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 42. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Breezy, with a west wind 18 to 22 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 40. Northwest wind around 8 mph becoming northeast in the afternoon.
Tonight
A 50 percent chance of snow, mainly after 11pm. Cloudy, with a steady temperature around 30. Wind chill values as low as 18. Light southwest wind becoming west 9 to 14 mph in the evening. Winds could gust as high as 22 mph. New snow accumulation of less than a half inch possible.
Thursday
Snow. High near 34. Wind chill values as low as 16. Northwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 18. Northwest wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a steady temperature around 22. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a temperature falling to near 19 by 10pm, then rising to around 28 during the remainder of the night. Southeast wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 15 mph.
Saturday
A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 42. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Saturday Night
Partly cloudy, with a low around 31. Breezy, with a west wind 18 to 22 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
A slight chance of rain. Partly sunny, with a high near 44.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30. Breezy.
Tuesday
A chance of snow. Partly sunny, with a high near 38. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Whitewood SD
 44.42°N 103.63°W (Elev. 4800 ft)
Last Update:
9:23 am MST Jan 28, 2026
Forecast Valid:
11am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation