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

48°F

9°C

Humidity 94%
Wind Speed NE 6 mph
Barometer 29.97 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 18 Nov 9:55 am MST
Extended Forecast for

Spearfish SD

  • Today

    Today: Areas of fog before 11am. Otherwise, partly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Areas Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. South wind 3 to 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. West wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Northwest wind around 6 mph becoming calm after midnight.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50. Light and variable wind becoming northeast around 6 mph in the morning.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Southwest wind around 5 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Southwest wind 5 to 7 mph, with gusts as high as 15 mph.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of fog before 11am. Otherwise, partly sunny, with a high near 54. Light and variable wind.
Tonight
Mostly cloudy, with a low around 38. South wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 54. West wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 32. Northwest wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 50. Light and variable wind becoming northeast around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 34. Southwest wind around 5 mph.
Friday
Sunny, with a high near 56. Southwest wind 5 to 7 mph, with gusts as high as 15 mph.
Friday Night
Partly cloudy, with a low around 38. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.48°N 103.85°W (Elev. 3780 ft)
Last Update:
8:21 am MST Nov 18, 2025
Forecast Valid:
10am 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