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

28°F

-2°C

Humidity 93%
Wind Speed N 6 mph
Barometer 30.14 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 31 Mar 8:55 am MDT
Extended Forecast for

3 Miles WSW Lead SD

  • Today

    Today: A 40 percent chance of snow, mainly after 3pm.  Mostly cloudy, with a high near 33. Wind chill values as low as 15. Northeast wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely.  Mostly cloudy, with a low around 25. Wind chill values as low as 13. Southeast wind 13 to 16 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow.  High near 37. Wind chill values as low as 14. South wind 8 to 14 mph becoming east in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 27. Wind chill values as low as 20. Southeast wind 6 to 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow before 11am, then a chance of rain and snow between 11am and noon, then rain after noon.  High near 49. South wind 6 to 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow
    then Rain

  • Thursday Night

    Thursday Night: Rain before 7pm, then rain and snow between 7pm and 9pm, then snow after 9pm.  Low around 23. Southeast wind around 11 mph becoming southwest after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow. The snow could be heavy at times.  High near 28. Southwest wind 11 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 90%.

    High: 28 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow.  Mostly cloudy, with a low around 19. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Snow

  • Saturday

    Saturday: A chance of snow, mainly before noon.  Mostly cloudy, then gradually becoming sunny, with a high near 37.

    High: 37 °F

    Chance Snow

Detailed Forecast

Today
A 40 percent chance of snow, mainly after 3pm. Mostly cloudy, with a high near 33. Wind chill values as low as 15. Northeast wind 7 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 24 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely. Mostly cloudy, with a low around 25. Wind chill values as low as 13. Southeast wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
Snow. High near 37. Wind chill values as low as 14. South wind 8 to 14 mph becoming east in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 27. Wind chill values as low as 20. Southeast wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 11am, then a chance of rain and snow between 11am and noon, then rain after noon. High near 49. South wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain before 7pm, then rain and snow between 7pm and 9pm, then snow after 9pm. Low around 23. Southeast wind around 11 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. The snow could be heavy at times. High near 28. Southwest wind 11 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%.
Friday Night
Snow. Mostly cloudy, with a low around 19. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.
Saturday
A chance of snow, mainly before noon. Mostly cloudy, then gradually becoming sunny, with a high near 37.
Saturday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 25.
Sunday
A slight chance of snow. Sunny, with a high near 46.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 28.
Monday
A slight chance of snow. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
8:43 am MDT Mar 31, 2026
9am MDT Mar 31, 2026-6pm MDT Apr 6, 2026
 
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Additional Resources

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