Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

-4°F

-20°C

Humidity 71%
Wind Speed S 5 mph
Barometer 30.08 in
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-15°F (-26°C)
Last update 24 Jan 7:35 am MST
Extended Forecast for

Lead SD

Cold Weather Advisory until January 24, 11:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory until January 24, 11:00am

    NOW until 11:00am Sat

    Cold Weather Advisory

  • Today

    High: 16 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of snow.  Mostly cloudy, with a low around -7. Wind chill values as low as -16. Northwest wind around 6 mph, with gusts as high as 23 mph.  New snow accumulation of less than one inch possible.

    Low: -7 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow before 11am.  Partly sunny, with a high near 3. Wind chill values as low as -21. Northwest wind 5 to 7 mph, with gusts as high as 21 mph.

    High: 3 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a temperature rising to around 13 by 5am. Wind chill values as low as -14. Southwest wind 3 to 8 mph. Winds could gust as high as 24 mph.

    Low: -4 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35. West wind around 10 mph, with gusts as high as 30 mph.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. West wind 7 to 9 mph, with gusts as high as 29 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Northwest wind 6 to 8 mph, with gusts as high as 23 mph.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. West wind 7 to 10 mph, with gusts as high as 28 mph.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 16. Wind chill values as low as -11. Calm wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 23 mph.
Tonight
A 40 percent chance of snow. Mostly cloudy, with a low around -7. Wind chill values as low as -16. Northwest wind around 6 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.
Sunday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 3. Wind chill values as low as -21. Northwest wind 5 to 7 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a temperature rising to around 13 by 5am. Wind chill values as low as -14. Southwest wind 3 to 8 mph. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 35. West wind around 10 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 21. West wind 7 to 9 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, with a high near 34. Northwest wind 6 to 8 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 24. West wind 7 to 10 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 33.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
6:36 am MST Jan 24, 2026
7am MST Jan 24, 2026-6pm MST Jan 30, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database