National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 29.89 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 10 Mar 3:35 am MDT
Extended Forecast for

Spearfish SD

  • Overnight

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

    Low: 30 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow, mainly after noon. High near 36. Calm wind becoming north 5 to 9 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 23. Wind chill values as low as 14. North wind 5 to 8 mph becoming light and variable. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 41. Wind chill values as low as 13. West wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 58. Windy, with a southwest wind 15 to 20 mph becoming west 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 58 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Rain and
    Windy

  • Thursday Night

    Thursday Night: Rain before 9pm, then snow. Low around 29. Blustery, with a northwest wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%.

    Low: 29 °F

    Rain/Snow and
    Blustery then
    Snow

  • Friday

    Friday: Snow likely before noon, then 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 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 50 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Friday Night

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

    Low: 30 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a steady temperature around 30. Calm wind.
Tuesday
Snow, mainly after noon. High near 36. Calm wind becoming north 5 to 9 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 23. Wind chill values as low as 14. North wind 5 to 8 mph becoming light and variable. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Sunny, with a high near 41. Wind chill values as low as 13. West wind 9 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 27. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 58. Windy, with a southwest wind 15 to 20 mph becoming west 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.
Thursday Night
Rain before 9pm, then snow. Low around 29. Blustery, with a northwest wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%.
Friday
Snow likely before noon, then 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 6 to 10 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Saturday
Rain and snow, mainly after noon. Mostly cloudy, with a high near 45.
Saturday Night
Snow. Cloudy, with a low around 16.
Sunday
A chance of snow. Cloudy, with a high near 29.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 14.
Monday
A slight chance of snow. Mostly cloudy, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
Last Update:
2:46 am MDT Mar 10, 2026
Forecast Valid:
3am MDT Mar 10, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation