Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

34°F

1°C

Humidity 51%
Wind Speed E 20 mph
Barometer 30.03 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 31 Mar 4:15 pm MDT
Extended Forecast for

4 Miles SSW Lead SD

  • This Afternoon

    This Afternoon: A 20 percent chance of snow.  Mostly sunny, with a steady temperature around 34. Southeast wind 7 to 9 mph, with gusts as high as 26 mph.

    High: 34 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 40 percent chance of snow after midnight.  Mostly cloudy, with a steady temperature around 29. Wind chill values as low as 17. South wind 8 to 10 mph, with gusts as high as 30 mph.  Little or no snow accumulation expected.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow before 10am, then rain, possibly mixed with snow.  High near 40. South wind 6 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 7pm.  Low around 25. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 18 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow before 10am, then rain.  High near 50. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Rain

  • Thursday Night

    Thursday Night: Snow, possibly mixed with rain, becoming all snow after 9pm.  Low around 19. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow.  High near 28. Southwest wind 6 to 9 mph becoming north in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 100%.

    High: 28 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before midnight.  Mostly cloudy, with a low around 18. Northwest wind around 11 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Snow

  • Saturday

    Saturday: A chance of snow, mainly before noon.  Mostly sunny, with a high near 41.

    High: 41 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Mostly sunny, with a steady temperature around 34. Southeast wind 7 to 9 mph, with gusts as high as 26 mph.
Tonight
A 40 percent chance of snow after midnight. Mostly cloudy, with a steady temperature around 29. Wind chill values as low as 17. South wind 8 to 10 mph, with gusts as high as 30 mph. Little or no snow accumulation expected.
Wednesday
Snow before 10am, then rain, possibly mixed with snow. High near 40. South wind 6 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 25. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 10am, then rain. High near 50. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Snow, possibly mixed with rain, becoming all snow after 9pm. Low around 19. Southeast wind 5 to 7 mph becoming southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. High near 28. Southwest wind 6 to 9 mph becoming north in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 100%.
Friday Night
Snow, mainly before midnight. Mostly cloudy, with a low around 18. Northwest wind around 11 mph, with gusts as high as 30 mph.
Saturday
A chance of snow, mainly before noon. Mostly sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 30.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 52.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Lead SD
 44.29°N 103.8°W (Elev. 5761 ft)
3:53 pm MDT Mar 31, 2026
4pm MDT Mar 31, 2026-6pm MDT Apr 7, 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