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

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

37°F

3°C

Humidity 48%
Wind Speed SW 10 mph
Barometer 30.06 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 12 Feb 5:55 pm MST
Extended Forecast for

Belle Fourche SD

  • Tonight

    Tonight: Mostly clear, with a low around 26. Southwest wind around 5 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. Light and variable wind becoming west around 5 mph in the evening.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56. West wind 5 to 7 mph becoming northeast in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. Southwest wind around 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. South wind 3 to 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 61. Light and variable wind becoming south 9 to 14 mph in the morning.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Southwest wind around 5 mph.
Friday
Sunny, with a high near 57. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 27. Light and variable wind becoming west around 5 mph in the evening.
Saturday
Mostly sunny, with a high near 56. West wind 5 to 7 mph becoming northeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 30. Southwest wind around 5 mph.
Sunday
Partly sunny, with a high near 60. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 30. South wind 3 to 5 mph.
Washington's Birthday
Sunny, with a high near 61. Light and variable wind becoming south 9 to 14 mph in the morning.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 54. Breezy.
Tuesday Night
A chance of rain and snow. Partly cloudy, with a low around 26. Breezy.
Wednesday
A chance of snow. Partly sunny, with a high near 45. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Thursday
A chance of snow. Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Belle Fourche SD
 44.67°N 103.86°W (Elev. 3025 ft)
Last Update:
5:47 pm MST Feb 12, 2026
Forecast Valid:
6pm MST Feb 12, 2026-6pm MST Feb 19, 2026
 
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