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 80%
Wind Speed NE 9 mph
Barometer 29.89 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Mar 10:15 pm MDT
Extended Forecast for

4 Miles SW North Spearfish SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Wind chill values as low as 18. Northeast wind 5 to 9 mph becoming light after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow, mainly after noon. High near 32. Wind chill values as low as 19. Light and variable wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 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 22. Wind chill values as low as 11. Light and variable wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: Sunny, with a high near 38. Wind chill values as low as 12. West wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 38 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Thursday

    Thursday: A 40 percent chance of rain after noon. Mostly cloudy, with a high near 52. Breezy, with a southwest wind 21 to 26 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph.

    High: 52 °F

    Breezy.
    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after midnight. Low around 31. Windy, with a northwest wind 20 to 30 mph decreasing to 9 to 19 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%.

    Low: 31 °F

    Rain/Snow and
    Windy then
    Snow Likely

  • Friday

    Friday: Snow likely before noon, then a chance of rain and snow. Mostly cloudy, with a high near 48. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 22 mph.

    High: 48 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Wind chill values as low as 18. Northeast wind 5 to 9 mph becoming light after midnight.
Tuesday
Snow, mainly after noon. High near 32. Wind chill values as low as 19. Light and variable wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 16 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 22. Wind chill values as low as 11. Light and variable wind becoming west 5 to 10 mph in the evening. 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 38. Wind chill values as low as 12. West wind 11 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 29. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 25 mph.
Thursday
A 40 percent chance of rain after noon. Mostly cloudy, with a high near 52. Breezy, with a southwest wind 21 to 26 mph becoming northwest in the afternoon. Winds could gust as high as 37 mph.
Thursday Night
Rain and snow, becoming all snow after midnight. Low around 31. Windy, with a northwest wind 20 to 30 mph decreasing to 9 to 19 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. Mostly cloudy, with a high near 48. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Saturday
Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 50.
Saturday Night
Rain and snow. Cloudy, with a low around 19. Blustery.
Sunday
A chance of snow. Mostly cloudy, with a high near 28. Blustery.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 20.
Monday
A chance of snow. Cloudy, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW North Spearfish SD
 44.47°N 103.97°W (Elev. 5299 ft)
Last Update:
9:01 pm MDT Mar 9, 2026
Forecast Valid:
10pm MDT Mar 9, 2026-6pm MDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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