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.

Fair

32°F

0°C

Humidity 51%
Wind Speed E 17 mph
Barometer 29.88 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 1 Apr 12:35 am MDT
Extended Forecast for

4 Miles WSW Lead SD

  • Overnight

    Overnight: A chance of rain and snow before 4am, then a chance of snow.  Mostly cloudy, with a steady temperature around 31. Wind chill values as low as 18. South wind 16 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 5pm.  High near 37. Wind chill values as low as 17. South wind 6 to 16 mph becoming east in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 7pm.  Low around 27. Wind chill values as low as 20. Southeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow before 7am, then a chance of rain and snow between 7am and 10am, then rain after 10am.  High near 49. West wind 6 to 11 mph becoming southeast in the morning. Winds could gust as high as 24 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 8pm, then rain and snow between 8pm and 9pm, then snow after 9pm.  Low around 21. Southeast wind 10 to 13 mph becoming west 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: 21 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow. The snow could be heavy at times.  Temperature falling to around 21 by 5pm. West wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 28 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow.  Low around 19. Northwest wind around 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%.

    Low: 19 °F

    Snow

  • Saturday

    Saturday: A chance of snow before noon.  Mostly cloudy, then gradually becoming sunny, with a high near 37. Northwest wind 10 to 14 mph, with gusts as high as 28 mph.

    High: 37 °F

    Chance Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of rain and snow before 4am, then a chance of snow. Mostly cloudy, with a steady temperature around 31. Wind chill values as low as 18. South wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
Rain and snow, becoming all snow after 5pm. High near 37. Wind chill values as low as 17. South wind 6 to 16 mph becoming east in the afternoon. Winds could gust as high as 25 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 27. Wind chill values as low as 20. Southeast wind 5 to 9 mph becoming light and variable. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 7am, then a chance of rain and snow between 7am and 10am, then rain after 10am. High near 49. West wind 6 to 11 mph becoming southeast in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Rain before 8pm, then rain and snow between 8pm and 9pm, then snow after 9pm. Low around 21. Southeast wind 10 to 13 mph becoming west 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. The snow could be heavy at times. Temperature falling to around 21 by 5pm. West wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday Night
Snow. Low around 19. Northwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Saturday
A chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 37. Northwest wind 10 to 14 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 50.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 28.
Monday
A chance of snow. Partly sunny, with a high near 42.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
12:37 am MDT Apr 1, 2026
12am MDT Apr 1, 2026-6pm MDT Apr 7, 2026
 
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Additional Resources

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