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 >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Overcast

28°F

-2°C

Humidity 86%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 10 Mar 2:35 am MDT
Extended Forecast for

Spearfish SD

  • Overnight

    Overnight: A 30 percent chance of snow.  Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow, mainly after noon.  High near 36. Calm wind becoming north 5 to 8 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: 36 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: Snow before 9pm, then a slight chance of snow after midnight.  Low around 24. Wind chill values as low as 15. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 18 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 43. Wind chill values as low as 14. West wind 9 to 17 mph, with gusts as high as 29 mph.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain after noon.  Mostly cloudy, with a high near 59. Breezy, with a southwest wind 14 to 19 mph becoming west 21 to 26 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 59 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain before 9pm, then rain and snow between 9pm and 10pm, then snow after 10pm.  Low around 30. Blustery, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 90%.

    Low: 30 °F

    Rain/Snow and
    Blustery then
    Snow

  • Friday

    Friday: Snow likely before 11am, then rain and snow likely between 11am and noon, then a chance of rain after noon.  Mostly cloudy, with a high near 50. West wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 50 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Friday Night

    Friday Night: Rain and snow likely, mainly before midnight.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a low around 28. Calm wind.
Tuesday
Snow, mainly after noon. High near 36. Calm wind becoming north 5 to 8 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 24. Wind chill values as low as 15. Calm wind becoming west 5 to 8 mph after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Sunny, with a high near 43. Wind chill values as low as 14. West wind 9 to 17 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind 9 to 13 mph, with gusts as high as 25 mph.
Thursday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 59. Breezy, with a southwest wind 14 to 19 mph becoming west 21 to 26 mph in the afternoon. Winds could gust as high as 43 mph.
Thursday Night
Rain before 9pm, then rain and snow between 9pm and 10pm, then snow after 10pm. Low around 30. Blustery, with a northwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90%.
Friday
Snow likely before 11am, then rain and snow likely between 11am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 50. West wind 6 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Rain and snow likely, mainly before midnight. Mostly cloudy, with a low around 32.
Saturday
Rain and snow, mainly after noon. Mostly cloudy, with a high near 46.
Saturday Night
Snow. Cloudy, with a low around 16.
Sunday
Snow likely. Cloudy, with a high near 31.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Monday
A chance of snow. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
2:46 am MDT Mar 10, 2026
2am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
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