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

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

32°F

0°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 32°F (0°C)
Visibility 8.00 mi
Last update 12 Nov 9:15 pm MST
Extended Forecast for

Lead SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62. Southeast wind 3 to 7 mph. Winds could gust as high as 18 mph.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. South wind 3 to 8 mph. Winds could gust as high as 21 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. South wind around 5 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Light southwest wind.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Calm wind.
Friday
Partly sunny, with a high near 62. Southeast wind 3 to 7 mph. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 40. South wind 3 to 8 mph. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 60. South wind around 5 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 36. Light southwest wind.
Sunday
Sunny, with a high near 58. Light and variable wind.
Sunday Night
Clear, with a low around 37.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 48.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 32.
Thursday
A slight chance of snow. Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lead SD
 44.35°N 103.74°W (Elev. 5000 ft)
Last Update:
8:26 pm MST Nov 12, 2026
Forecast Valid:
9pm MST Nov 12, 2026-6pm MST Nov 19, 2026
 
Forecast Discussion
 
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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