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

Tracking Areas of Fire Weather, Winter Weather, and Severe Weather Thursday

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Light Snow

7°F

-14°C

Humidity 78%
Wind Speed NW 10 mph
Barometer 29.74 in
Dewpoint 1°F (-17°C)
Visibility 3.00 mi
Wind Chill-7°F (-22°C)
Last update 18 Feb 11:35 pm MST
Extended Forecast for

Spearfish SD

Winter Weather Advisory until February 19, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 19, 05:00pm

    NOW until 5:00pm Thu

    Winter Weather Advisory

  • Tonight

    Low: 7 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely, mainly before 9am. Cloudy, with a high near 16. Wind chill values as low as -6. Northwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 16 °F

    Snow Likely
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 3. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 3 °F

    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. Wind chill values as low as 8. Calm wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 15 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. Light southwest wind.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 35. Light and variable wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 35 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. Northwest wind around 5 mph becoming calm in the evening.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 16 mph.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 40 percent chance of snow. Mostly cloudy, with a low around 7. Wind chill values as low as -7. Light north wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 18 mph. Total nighttime snow accumulation of around an inch possible.
Thursday
Snow likely, mainly before 9am. Cloudy, with a high near 16. Wind chill values as low as -6. Northwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Thursday Night
A 30 percent chance of snow, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 3. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 29. Wind chill values as low as 8. Calm wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Partly cloudy, with a low around 12. Light southwest wind.
Saturday
Mostly sunny, with a high near 35. Light and variable wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 12. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 36. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
A slight chance of rain. Partly sunny, with a high near 53.
Tuesday Night
A chance of snow. Partly cloudy, with a low around 29.
Wednesday
A chance of snow. Mostly 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:
11:26 pm MST Feb 18, 2026
Forecast Valid:
11pm MST Feb 18, 2026-6pm MST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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