Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday

Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Light Snow

27°F

-3°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 27°F (-3°C)
Visibility 0.75 mi
Last update 10 Mar 8:35 pm MDT
Extended Forecast for

4 Miles W Lead SD

Winter Weather Advisory March 10, 08:46pm until March 11, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 10, 08:46pm until March 11, 12:00am

    NOW until 12:00am Wed

    Winter Weather Advisory

  • Tonight

    Low: 15 °F

    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 31. Wind chill values as low as 2. West wind 10 to 14 mph, with gusts as high as 29 mph.

    High: 31 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a steady temperature around 26. Wind chill values as low as 12. Southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Rain likely, possibly mixed with snow, becoming all snow after 5pm.  Mostly cloudy, with a high near 49. Wind chill values as low as 17 early. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 43 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Partly Sunny
    then
    Rain/Snow
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Snow.  Low around 21. Blustery, with a northwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Snow and
    Blustery

  • Friday

    Friday: Snow likely.  Mostly cloudy, with a high near 38. West wind around 8 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow likely.  Mostly cloudy, with a low around 23. West wind 6 to 8 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    Low: 23 °F

    Snow Likely

  • Saturday

    Saturday: Snow.  Mostly cloudy, with a high near 35. West wind 8 to 10 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 35 °F

    Snow

Detailed Forecast

Tonight
Snow, mainly before 10pm. Low around 15. Wind chill values as low as 3. North wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Wednesday
Sunny, with a high near 31. Wind chill values as low as 2. West wind 10 to 14 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a steady temperature around 26. Wind chill values as low as 12. Southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Thursday
Rain likely, possibly mixed with snow, becoming all snow after 5pm. Mostly cloudy, with a high near 49. Wind chill values as low as 17 early. Breezy, with a southwest wind 17 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Snow. Low around 21. Blustery, with a northwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday
Snow likely. Mostly cloudy, with a high near 38. West wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
Snow likely. Mostly cloudy, with a low around 23. West wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Saturday
Snow. Mostly cloudy, with a high near 35. West wind 8 to 10 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 8.
Sunday
Snow likely. Mostly cloudy, with a high near 19.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 9.
Monday
A chance of snow. Mostly cloudy, with a high near 31.
Monday Night
A chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
8:16 pm MDT Mar 10, 2026
8pm MDT Mar 10, 2026-6pm MDT Mar 17, 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