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 N 5 mph
Barometer 29.92 in
Dewpoint 23°F (-5°C)
Visibility 9.00 mi
Wind Chill22°F (-6°C)
Last update 10 Mar 1:55 am MDT
Extended Forecast for

4 Miles SSW Lead SD

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

    Overnight: A 20 percent chance of snow.  Mostly cloudy, with a steady temperature around 27. Calm wind.

    Low: 27 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Snow, mainly after 9am.  High near 32. Wind chill values as low as 19. Calm wind becoming north around 6 mph in the afternoon. Winds could gust as high as 17 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °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 8. North wind around 5 mph becoming calm. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 15 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 33. Wind chill values as low as 6. West wind 6 to 10 mph, with gusts as high as 29 mph.

    High: 33 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Southwest wind around 7 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow between noon and 1pm, then a chance of rain after 1pm.  Mostly cloudy, with a high near 50. West wind 8 to 14 mph, with gusts as high as 40 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 50 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 7pm.  Low around 22. Northwest wind 8 to 13 mph becoming light  after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 80%.

    Low: 22 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 44. West wind 3 to 7 mph. Winds could gust as high as 22 mph.

    High: 44 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 27. Calm wind.
Tuesday
Snow, mainly after 9am. High near 32. Wind chill values as low as 19. Calm wind becoming north around 6 mph in the afternoon. 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 8. North wind around 5 mph becoming calm. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday
Sunny, with a high near 33. Wind chill values as low as 6. West wind 6 to 10 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 22. Southwest wind around 7 mph, with gusts as high as 26 mph.
Thursday
A chance of rain and snow between noon and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 50. West wind 8 to 14 mph, with gusts as high as 40 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all snow after 7pm. Low around 22. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 80%.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 44. West wind 3 to 7 mph. Winds could gust as high as 22 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 27.
Saturday
Snow, mainly after noon. Mostly cloudy, with a high near 41.
Saturday Night
Snow. Cloudy, with a low around 9.
Sunday
Snow likely. Mostly cloudy, with a high near 23.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 8.
Monday
A chance of snow. Mostly cloudy, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Lead SD
 44.29°N 103.8°W (Elev. 5761 ft)
12:31 am MDT Mar 10, 2026
2am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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