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 93%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 10 Mar 4:15 am MDT
Extended Forecast for

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 30 percent chance of snow.  Mostly cloudy, with a steady temperature around 31. Calm wind.

    Low: 31 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow, mainly after noon.  High near 33. 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 2 to 4 inches possible.

    High: 33 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: Snow before 9pm, then a slight chance of snow after midnight.  Low around 19. Wind chill values as low as 11. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 36. Wind chill values as low as 11. West wind 7 to 10 mph, with gusts as high as 28 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Southwest wind 6 to 9 mph, with gusts as high as 28 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain after noon.  Mostly cloudy, with a high near 53. West wind 10 to 15 mph, with gusts as high as 39 mph.

    High: 53 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain before 7pm, then snow.  Low around 27. Northwest wind 10 to 15 mph becoming light west  after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 80%.

    Low: 27 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow likely before 4pm, then a chance of rain.  Mostly cloudy, with a high near 46. West wind 3 to 7 mph. Winds could gust as high as 22 mph.

    High: 46 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a steady temperature around 31. Calm wind.
Tuesday
Snow, mainly after noon. High near 33. 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 2 to 4 inches possible.
Tuesday Night
Snow before 9pm, then a slight chance of snow after midnight. Low around 19. Wind chill values as low as 11. Calm wind becoming west around 6 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Sunny, with a high near 36. Wind chill values as low as 11. West wind 7 to 10 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 26. Southwest wind 6 to 9 mph, with gusts as high as 28 mph.
Thursday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 53. West wind 10 to 15 mph, with gusts as high as 39 mph.
Thursday Night
Rain before 7pm, then snow. Low around 27. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%.
Friday
Snow likely before 4pm, then a chance of rain. Mostly cloudy, with a high near 46. 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 30.
Saturday
Snow. Mostly cloudy, with a high near 43.
Saturday Night
Snow. Cloudy, with a low around 13.
Sunday
Snow likely. Mostly cloudy, with a high near 26.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 13.
Monday
A chance of snow. Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.77°W (Elev. 5322 ft)
2:46 am MDT Mar 10, 2026
4am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
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Additional Resources

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