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Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Spearfish / Clyde Ice (KSPF)

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

Fair

16°F

-9°C

Humidity 67%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 21 Feb 1:35 am MST
Extended Forecast for

Spearfish SD

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 16. Wind chill values as low as 8. West wind 3 to 5 mph.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow showers before 11am. Mostly sunny, with a high near 25. Wind chill values as low as 6. Northwest wind 6 to 15 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Chance Snow
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6. West wind around 5 mph becoming calm in the evening.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 33. Wind chill values as low as 8. Light southeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 33 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17. Southeast wind 3 to 7 mph.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. West wind 5 to 9 mph, with gusts as high as 16 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 58. West wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 16. Wind chill values as low as 8. West wind 3 to 5 mph.
Saturday
A 40 percent chance of snow showers before 11am. Mostly sunny, with a high near 25. Wind chill values as low as 6. Northwest wind 6 to 15 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 6. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 33. Wind chill values as low as 8. Light southeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 17. Southeast wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 55. West wind 5 to 9 mph, with gusts as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 36. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 58. West wind 13 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 34.
Wednesday
Rain and snow likely, becoming all snow after 11am. Partly sunny, with a high near 45. Breezy.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 29.
Thursday
Sunny, with a high near 52. Breezy.
Thursday Night
Mostly clear, with a low around 34.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 52. Breezy.
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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:
12:36 am MST Feb 21, 2026
Forecast Valid:
1am MST Feb 21, 2026-6pm MST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation