Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast; heavy rain in the Southeast

A storm system will bring a variety of hazards to the Eastern US. Wintry precipitation is expected from the central Appalachians to the Northeast. Heavy snow is expected for interior New England and the northern Mid-Atlantic through the night, and icing will continue in the Appalachians this morning. On the south side of the system, heavy rain and thunderstorms will persist across the Southeast. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Light Snow

34°F

1°C

Humidity 87%
Wind Speed W 16 G 24 mph
Barometer 29.73 in
Dewpoint 30°F (-1°C)
Visibility 1.00 mi
Wind Chill24°F (-4°C)
Last update 2 Dec 8:35 am MST
Extended Forecast for

Lead SD

Winter Weather Advisory December 2, 12:00pm until December 3, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Snow.  Temperature rising to near 33 by 10am, then falling to around 28 during the remainder of the day. Wind chill values as low as 19. Northwest wind 9 to 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow Likely
    then Snow

  • Tonight

    Tonight: Snow.  Low around 12. Wind chill values as low as 1. Northwest wind 7 to 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 12 °F

    Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 20. Wind chill values as low as 3. Northwest wind around 6 mph becoming calm  in the afternoon. Winds could gust as high as 17 mph.  New snow accumulation of less than one inch possible.

    High: 20 °F

    Chance Snow
    then Slight
    Chance Snow

  • Wednesday Night

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

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 33. West wind around 9 mph, with gusts as high as 23 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 24. West wind 8 to 11 mph, with gusts as high as 31 mph.  New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 32. West wind 7 to 13 mph, with gusts as high as 31 mph.

    High: 32 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 21. Southwest wind 7 to 9 mph, with gusts as high as 23 mph.

    Low: 21 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 31.

    High: 31 °F

    Snow Likely

Detailed Forecast

Today
Snow. Temperature rising to near 33 by 10am, then falling to around 28 during the remainder of the day. Wind chill values as low as 19. Northwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow. Low around 12. Wind chill values as low as 1. Northwest wind 7 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 20. Wind chill values as low as 3. Northwest wind around 6 mph becoming calm in the afternoon. Winds could gust as high as 17 mph. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly clear, with a temperature rising to around 22 by 5am. Southwest wind 3 to 8 mph. Winds could gust as high as 22 mph.
Thursday
Mostly sunny, with a high near 33. West wind around 9 mph, with gusts as high as 23 mph.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24. West wind 8 to 11 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 32. West wind 7 to 13 mph, with gusts as high as 31 mph.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 21. Southwest wind 7 to 9 mph, with gusts as high as 23 mph.
Saturday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 31.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 20.
Sunday
A slight chance of snow. Mostly sunny, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
A slight chance of snow. Mostly sunny, with a high near 38.
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)
6:26 am MST Dec 2, 2025
8am MST Dec 2, 2025-6pm MST Dec 8, 2025
 
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