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

Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

43°F

6°C

Humidity 76%
Wind Speed SW 7 mph
Barometer 30.12 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Nov 6:35 am MST
Extended Forecast for

Spearfish SD

  • Today

    Today: Sunny, with a high near 59. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 39. Light south wind.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60. East wind 5 to 7 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. South wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. South wind around 5 mph becoming light and variable.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. South wind 3 to 5 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 59. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 39. Light south wind.
Friday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60. East wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 43. South wind 5 to 10 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 61. South wind around 5 mph becoming light and variable.
Saturday Night
Mostly clear, with a low around 39. South wind 3 to 5 mph.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
A chance of rain. Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.88°W (Elev. 3898 ft)
Last Update:
2:51 am MST Nov 12, 2026
Forecast Valid:
6am MST Nov 12, 2026-6pm MST Nov 18, 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