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.

Mostly Cloudy

37°F

3°C

Humidity 56%
Wind Speed W 5 mph
Barometer 30.01 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 11 Feb 6:35 pm MST
Extended Forecast for

3 Miles WSW Lead SD

  • Tonight

    Tonight: Mostly clear, with a low around 25. Calm wind becoming west around 6 mph in the evening.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 42. Wind chill values as low as 18. West wind around 6 mph becoming light and variable in the afternoon.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Southwest wind around 7 mph, with gusts as high as 15 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 45. Southwest wind around 6 mph becoming north in the afternoon. Winds could gust as high as 16 mph.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. West wind 5 to 7 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West wind around 6 mph, with gusts as high as 16 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47. Southwest wind around 8 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31.

    Low: 31 °F

    Decreasing
    Clouds

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Calm wind becoming west around 6 mph in the evening.
Thursday
Sunny, with a high near 42. Wind chill values as low as 18. West wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 28. Southwest wind around 7 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 45. Southwest wind around 6 mph becoming north in the afternoon. Winds could gust as high as 16 mph.
Friday Night
Mostly clear, with a low around 26. West wind 5 to 7 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 44. West wind around 6 mph, with gusts as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 28. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Sunday
Mostly cloudy, with a high near 47. Southwest wind around 8 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31.
Washington's Birthday
A slight chance of rain and snow after 11am. Sunny, with a high near 49.
Monday Night
A chance of rain and snow. Partly cloudy, with a low around 34.
Tuesday
Snow likely. Mostly cloudy, with a high near 43.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Wednesday
A chance of snow. Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lead SD
 44.35°N 103.83°W (Elev. 6112 ft)
Last Update:
6:16 pm MST Feb 11, 2026
Forecast Valid:
6pm MST Feb 11, 2026-6pm MST Feb 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation