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 >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Unknown Precip

30°F

-1°C

Humidity 80%
Wind Speed Calm
Barometer 29.81 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 1 Apr 3:55 am MDT
Extended Forecast for

3 Miles WSW Lead SD

  • Overnight

    Overnight: A 30 percent chance of snow.  Mostly cloudy, with a steady temperature around 39. South wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely before 11am, then rain between 11am and 3pm, then rain and snow after 3pm.  Temperature falling to around 34 by 5pm. South wind 6 to 14 mph becoming east in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow before midnight, then a chance of snow and freezing rain.  Low around 28. Southeast wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. Little or no ice accumulation expected.  New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow then
    Chance Wintry
    Mix

  • Thursday

    Thursday: A chance of rain, snow, and freezing rain before 8am, then a chance of rain and snow between 8am and 9am, then rain after 9am.  High near 50. West wind 6 to 10 mph becoming southeast in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 80%. Little or no ice accumulation expected.  Little or no snow accumulation expected.

    High: 50 °F

    Chance Wintry
    Mix then Rain

  • Thursday Night

    Thursday Night: Rain before 8pm, then rain and snow between 8pm and 10pm, then snow after 10pm.  Low around 22. Southeast wind around 11 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow. The snow could be heavy at times.  Temperature falling to around 22 by 5pm. West wind 10 to 13 mph becoming north in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 28 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow.  Low around 19. Northwest wind around 14 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 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a steady temperature around 39. South wind 13 to 15 mph, with gusts as high as 26 mph.
Wednesday
Snow likely before 11am, then rain between 11am and 3pm, then rain and snow after 3pm. Temperature falling to around 34 by 5pm. South wind 6 to 14 mph becoming east in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow before midnight, then a chance of snow and freezing rain. Low around 28. Southeast wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Thursday
A chance of rain, snow, and freezing rain before 8am, then a chance of rain and snow between 8am and 9am, then rain after 9am. High near 50. West wind 6 to 10 mph becoming southeast in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. Little or no snow accumulation expected.
Thursday Night
Rain before 8pm, then rain and snow between 8pm and 10pm, then snow after 10pm. Low around 22. Southeast wind around 11 mph becoming west after midnight. Winds could gust as high as 25 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 22 by 5pm. West wind 10 to 13 mph becoming north in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday Night
Snow. Low around 19. Northwest wind around 14 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 26.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 29.
Monday
A chance of snow. Partly sunny, with a high near 43.
Monday Night
A slight chance of snow. Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
3:52 am MDT Apr 1, 2026
4am MDT Apr 1, 2026-6pm MDT Apr 7, 2026
 
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Additional Resources

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