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

Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

46°F

8°C

Humidity 100%
Wind Speed NE 3 mph
Barometer 29.96 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Nov 9:35 am MST
Extended Forecast for

Spearfish SD

  • Today

    Today: Areas of fog before 11am. Otherwise, partly sunny, with a high near 53. Calm wind becoming northeast around 5 mph.

    High: 53 °F

    Areas Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South wind 3 to 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. West wind 3 to 7 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48. Light and variable wind becoming north around 6 mph in the morning.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Southwest wind around 5 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. Southwest wind around 7 mph becoming west in the afternoon. Winds could gust as high as 16 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Southwest wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, partly sunny, with a high near 53. Calm wind becoming northeast around 5 mph.
Tonight
Mostly cloudy, with a low around 36. South wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 53. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 31. West wind 3 to 7 mph.
Thursday
Sunny, with a high near 48. Light and variable wind becoming north around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 32. Southwest wind around 5 mph.
Friday
Sunny, with a high near 55. Southwest wind around 7 mph becoming west in the afternoon. Winds could gust as high as 16 mph.
Friday Night
Partly cloudy, with a low around 37. Southwest wind 8 to 10 mph, with gusts as high as 17 mph.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
Last Update:
8:21 am MST Nov 18, 2025
Forecast Valid:
9am MST Nov 18, 2025-6pm MST Nov 24, 2025
 
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