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 6 mph
Barometer 29.90 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 9 Mar 10:55 pm MDT
Extended Forecast for

6 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 20 percent chance of snow.  Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Snow, mainly after 9am.  High near 34. Light and variable wind. Winds could gust as high as 16 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: Snow before 9pm, then a slight chance of snow after midnight.  Low around 15. Calm wind. Winds could gust as high as 16 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: Mostly sunny, with a high near 36. Wind chill values as low as 13. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 28 mph.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Southwest wind 3 to 6 mph. Winds could gust as high as 23 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after noon.  Mostly cloudy, with a high near 51. West wind 6 to 13 mph, with gusts as high as 37 mph.

    High: 51 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after midnight.  Low around 25. Northwest wind 10 to 15 mph becoming light west  after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 80%.

    Low: 25 °F

    Rain/Snow
    then Snow
    Likely

  • Friday

    Friday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 49. West wind 3 to 8 mph. Winds could gust as high as 23 mph.

    High: 49 °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 20 percent chance of snow. Mostly cloudy, with a low around 22. Calm wind.
Tuesday
Snow, mainly after 9am. High near 34. Light and variable wind. Winds could gust as high as 16 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. Calm wind. Winds could gust as high as 16 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Mostly sunny, with a high near 36. Wind chill values as low as 13. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 23. Southwest wind 3 to 6 mph. Winds could gust as high as 23 mph.
Thursday
A 40 percent chance of rain after noon. Mostly cloudy, with a high near 51. West wind 6 to 13 mph, with gusts as high as 37 mph.
Thursday Night
Rain and snow, becoming all snow after midnight. Low around 25. Northwest wind 10 to 15 mph becoming light west 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 49. West wind 3 to 8 mph. Winds could gust as high as 23 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 28.
Saturday
A chance of snow before noon, then rain likely. Mostly cloudy, with a high near 50.
Saturday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 13.
Sunday
Snow likely. Mostly cloudy, with a high near 28.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15.
Monday
A chance of snow. Cloudy, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Lead SD
 44.33°N 103.89°W (Elev. 5197 ft)
10:56 pm MDT Mar 9, 2026
11pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database