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

Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues

A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

54°F

12°C

Humidity 22%
Wind Speed W 10 mph
Barometer 29.83 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 15 Dec 8:35 pm MST
Extended Forecast for

2 Miles SW Lead SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. West wind 7 to 9 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a temperature rising to near 44 by 9am, then falling to around 35 during the remainder of the day. Northwest wind 8 to 13 mph, with gusts as high as 28 mph.

    High: 44 °F⇓

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a steady temperature around 35. Southwest wind 7 to 13 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Rain likely between 11am and 4pm, then snow likely after 4pm. Partly sunny, with a high near 49. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Rain Likely
    then
    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 15. Breezy, with a west wind 21 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Breezy. Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: Increasing clouds, with a high near 30. Northwest wind 6 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 37 mph.

    High: 30 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A slight chance of snow after 11pm, mixing with rain after 4am. Mostly cloudy, with a low around 23. Southwest wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain before 4pm, then a chance of snow. Partly sunny, with a high near 48. West wind 8 to 13 mph, with gusts as high as 31 mph.

    High: 48 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. West wind 7 to 9 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a temperature rising to near 44 by 9am, then falling to around 35 during the remainder of the day. Northwest wind 8 to 13 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a steady temperature around 35. Southwest wind 7 to 13 mph, with gusts as high as 25 mph.
Wednesday
Rain likely between 11am and 4pm, then snow likely after 4pm. Partly sunny, with a high near 49. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 15. Breezy, with a west wind 21 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday
Increasing clouds, with a high near 30. Northwest wind 6 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 37 mph.
Thursday Night
A slight chance of snow after 11pm, mixing with rain after 4am. Mostly cloudy, with a low around 23. Southwest wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday
A chance of rain before 4pm, then a chance of snow. Partly sunny, with a high near 48. West wind 8 to 13 mph, with gusts as high as 31 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 25.
Saturday
A chance of snow. Partly sunny, with a high near 35.
Saturday Night
A chance of snow. Partly cloudy, with a low around 21.
Sunday
A slight chance of snow. Partly sunny, with a high near 38.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 26.
Monday
A slight chance of snow. Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
Last Update:
7:47 pm MST Dec 15, 2025
Forecast Valid:
8pm MST Dec 15, 2025-6pm MST Dec 22, 2025
 
Forecast Discussion
 
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