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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Light Rain and Windy

46°F

8°C

Humidity 66%
Wind Speed NW 29 G 53 mph
Barometer 29.25 in
Dewpoint 36°F (2°C)
Visibility 4.00 mi
Wind Chill37°F (3°C)
Last update 17 Feb 3:55 pm MST
Extended Forecast for

Spearfish SD

Wind Advisory February 17, 04:06pm until February 17, 05:00pm
Red Flag Warning February 17, 04:06pm until February 17, 06:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory February 17, 04:06pm until February 17, 05:00pm
    Red Flag Warning February 17, 04:06pm until February 17, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 56 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: A chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Wind chill values as low as 15. Breezy, with a west wind 16 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Wind chill values as low as 14. Northwest wind 10 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Snow, mainly after 11pm. Low around 8. Wind chill values as low as -5. Northeast wind around 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Snow

  • Thursday

    Thursday: Snow. High near 18. Northwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Northwest wind around 6 mph becoming calm in the evening.

    Low: 4 °F

    Chance Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. Light and variable wind becoming northeast 5 to 7 mph in the morning.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow. Mostly cloudy, with a low around 12. Light and variable wind becoming west around 5 mph after midnight.

    Low: 12 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
A 50 percent chance of rain. Mostly cloudy, with a high near 56. Breezy, with a west wind around 28 mph, with gusts as high as 41 mph.
Tonight
A chance of rain and snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Wind chill values as low as 15. Breezy, with a west wind 16 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 37. Wind chill values as low as 14. Northwest wind 10 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Snow, mainly after 11pm. Low around 8. Wind chill values as low as -5. Northeast wind around 11 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 18. Northwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Northwest wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 29. Light and variable wind becoming northeast 5 to 7 mph in the morning.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 12. Light and variable wind becoming west around 5 mph after midnight.
Saturday
A slight chance of snow. Mostly sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 8.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 30.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spearfish SD
 44.5°N 103.85°W (Elev. 3911 ft)
Last Update:
2:52 pm MST Feb 17, 2026
Forecast Valid:
4pm MST Feb 17, 2026-6pm MST Feb 24, 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