Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. 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 this 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.

Fair

52°F

11°C

Humidity 22%
Wind Speed NW 9 G 17 mph
Barometer 30.04 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 12 Feb 3:35 pm MST
Extended Forecast for

2 Miles SW Lead SD

  • Tonight

    Tonight: Mostly clear, with a low around 28. Calm wind becoming west around 5 mph in the evening.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 49. Southwest wind around 5 mph becoming calm  in the morning.

    High: 49 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. Calm wind becoming west around 5 mph after midnight.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48. West wind around 5 mph becoming calm  in the afternoon. Winds could gust as high as 15 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Southwest wind 3 to 6 mph. Winds could gust as high as 18 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 52. West wind 3 to 7 mph. Winds could gust as high as 20 mph.

    High: 52 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southwest wind around 6 mph, with gusts as high as 16 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 52. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 11pm.  Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Calm wind becoming west around 5 mph in the evening.
Friday
Increasing clouds, with a high near 49. Southwest wind around 5 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 28. Calm wind becoming west around 5 mph after midnight.
Saturday
Sunny, with a high near 48. West wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 31. Southwest wind 3 to 6 mph. Winds could gust as high as 18 mph.
Sunday
Partly sunny, with a high near 52. West wind 3 to 7 mph. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Southwest wind around 6 mph, with gusts as high as 16 mph.
Washington's Birthday
Sunny, with a high near 52. Southwest wind 6 to 9 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 35.
Tuesday
Rain and snow likely, mainly after 11am. Partly sunny, with a high near 48.
Tuesday Night
A chance of snow. Partly cloudy, with a low around 24.
Wednesday
A chance of snow. Partly sunny, with a high near 38.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lead SD
 44.33°N 103.8°W (Elev. 5627 ft)
12:51 pm MST Feb 12, 2026
3pm MST Feb 12, 2026-6pm MST Feb 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database