Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

28°F

-2°C

Humidity 80%
Wind Speed SE 5 mph
Barometer 29.91 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 9 Mar 11:35 pm MDT
Extended Forecast for

4 Miles WSW Lead SD

Winter Weather Advisory March 10, 09:00am until March 11, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A 30 percent chance of snow, mainly after midnight.  Mostly cloudy, with a low around 21. Wind chill values as low as 12. Northeast wind 5 to 7 mph becoming calm  after midnight.

    Low: 21 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow, mainly after 9am.  High near 29. Wind chill values as low as 11. Light and variable wind becoming north 5 to 8 mph in the morning. Winds could gust as high as 17 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: Snow before 9pm, then a slight chance of snow after midnight.  Low around 15. Wind chill values as low as 2. North wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 15 °F

    Snow then
    Slight Chance
    Snow

  • 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: Partly cloudy, with a low around 22. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow after noon, mixing with rain after 3pm.  Mostly cloudy, with a high near 47. Breezy, with a west wind 16 to 22 mph, with gusts as high as 39 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 47 °F

    Partly Sunny
    then Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after midnight.  Low around 24. Breezy, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 80%.

    Low: 24 °F

    Rain/Snow and
    Breezy then
    Snow Likely

  • Friday

    Friday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 44. West wind 8 to 10 mph, with gusts as high as 25 mph.

    High: 44 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 21. Wind chill values as low as 12. Northeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
Snow, mainly after 9am. High near 29. Wind chill values as low as 11. Light and variable wind becoming north 5 to 8 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow before 9pm, then a slight chance of snow after midnight. Low around 15. Wind chill values as low as 2. North wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 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
Partly cloudy, with a low around 22. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.
Thursday
A chance of snow after noon, mixing with rain after 3pm. Mostly cloudy, with a high near 47. Breezy, with a west wind 16 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all snow after midnight. Low around 24. Breezy, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 44. West wind 8 to 10 mph, with gusts as high as 25 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 28.
Saturday
Snow likely, mainly after noon. Mostly cloudy, with a high near 45.
Saturday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 12.
Sunday
Snow likely. Mostly cloudy, with a high near 24.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15.
Monday
A chance of snow. Cloudy, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Lead SD
 44.33°N 103.83°W (Elev. 6398 ft)
10:56 pm MDT Mar 9, 2026
11pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
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Additional Resources

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