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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Partly Cloudy

32°F

0°C

Humidity 64%
Wind Speed SW 8 mph
Barometer 30.03 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 11 Feb 9:15 pm MST
Extended Forecast for

Spearfish SD

  • Tonight

    Tonight: Mostly clear, with a low around 28. Calm wind becoming west around 6 mph after midnight.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53. Calm wind becoming northeast around 5 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Calm wind becoming southwest around 6 mph in the evening.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Southwest wind around 6 mph becoming north in the afternoon.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Southwest wind around 6 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Southwest wind 3 to 6 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Southwest wind around 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36.

    Low: 36 °F

    Decreasing
    Clouds

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Calm wind becoming west around 6 mph after midnight.
Thursday
Sunny, with a high near 53. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 34. Calm wind becoming southwest around 6 mph in the evening.
Friday
Sunny, with a high near 56. Southwest wind around 6 mph becoming north in the afternoon.
Friday Night
Mostly clear, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 56. Southwest wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 35. Southwest wind 3 to 6 mph.
Sunday
Mostly cloudy, with a high near 58. Southwest wind around 7 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36.
Washington's Birthday
Sunny, with a high near 60.
Monday Night
A chance of rain. Partly cloudy, with a low around 39.
Tuesday
Rain likely. Mostly cloudy, with a high near 54.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29.
Wednesday
A chance of snow. Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
Last Update:
8:47 pm MST Feb 11, 2026
Forecast Valid:
9pm MST Feb 11, 2026-6pm MST Feb 18, 2026
 
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