Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

34°F

1°C

Humidity 87%
Wind Speed W 14 mph
Barometer 29.93 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 2 Dec 11:55 pm MST
Extended Forecast for

Lead SD

Winter Weather Advisory December 3, 12:14am until December 3, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 3, 12:14am until December 3, 06:00am

    NOW until 6:00am Wed

    Winter Weather Advisory

  • Overnight

    Low: 12 °F

    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 8am.  Cloudy, then gradually becoming mostly sunny, with a high near 21. Wind chill values as low as 4. Northwest wind around 6 mph becoming calm  in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 21 °F

    Snow Likely
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a temperature rising to around 22 by 5am. Wind chill values as low as 6. Southwest wind 3 to 8 mph. Winds could gust as high as 23 mph.

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 33. Wind chill values as low as 13. West wind around 10 mph, with gusts as high as 24 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 24. West wind 8 to 11 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 31. West wind 7 to 10 mph, with gusts as high as 29 mph.  New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 20. West wind 6 to 8 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 31. Northwest wind around 8 mph, with gusts as high as 22 mph.

    High: 31 °F

    Snow Likely

Detailed Forecast

Overnight
Snow. Low around 12. Northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Snow likely, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 21. Wind chill values as low as 4. Northwest wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a temperature rising to around 22 by 5am. Wind chill values as low as 6. Southwest wind 3 to 8 mph. Winds could gust as high as 23 mph.
Thursday
Mostly sunny, with a high near 33. Wind chill values as low as 13. West wind around 10 mph, with gusts as high as 24 mph.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 24. West wind 8 to 11 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. West wind 7 to 10 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20. West wind 6 to 8 mph, with gusts as high as 22 mph.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 31. Northwest wind around 8 mph, with gusts as high as 22 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 20.
Sunday
A chance of snow before 11am. Mostly sunny, with a high near 36.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Monday
A slight chance of snow. Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
10:46 pm MST Dec 2, 2025
12am MST Dec 3, 2025-6pm MST Dec 9, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database