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

Spearfish / Clyde Ice (KSPF)

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

Fair

30°F

-1°C

Humidity 75%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 1 Jan 12:35 am MST
Extended Forecast for

Spearfish SD

  • Overnight

    Overnight: Patchy freezing fog. Partly cloudy, with a temperature rising to around 36 by 5am. Calm wind becoming west 5 to 9 mph. Winds could gust as high as 18 mph.

    Low: 29 °F⇑

    Patchy
    Freezing Fog

  • New Year's Day

    New Year's Day: Patchy freezing fog before 8am. Mostly sunny, with a high near 54. West wind 5 to 9 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.

    High: 54 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 45. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 45 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. West wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51. West wind 5 to 7 mph becoming east in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. South wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. West wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy freezing fog. Partly cloudy, with a temperature rising to around 36 by 5am. Calm wind becoming west 5 to 9 mph. Winds could gust as high as 18 mph.
New Year's Day
Patchy freezing fog before 8am. Mostly sunny, with a high near 54. West wind 5 to 9 mph becoming light and variable in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 30. Light and variable wind.
Friday
Mostly cloudy, with a high near 45. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 35. West wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 51. West wind 5 to 7 mph becoming east in the afternoon.
Saturday Night
Mostly cloudy, with a low around 36. South wind 8 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 60. West wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 56.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 36.
Tuesday
A slight chance of rain and snow. Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
Last Update:
12:36 am MST Jan 1, 2026
Forecast Valid:
12am MST Jan 1, 2026-6pm MST Jan 7, 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