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 critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Hazardous Weather Conditions
Current conditions at
Spearfish / Clyde Ice (KSPF)
Lat: 44.48°NLon: 103.78°WElev: 3898ft.
Overcast
5°F
-15°C
| Humidity | 85% |
| Wind Speed | Calm |
| Barometer | 29.78 in |
| Dewpoint | 1°F (-17°C) |
| Visibility | 10.00 mi |
| Last update | 20 Feb 1:15 am MST |
Extended Forecast for
Spearfish SD
Overnight
Low: 5 °F
Chance Snow
Friday
High: 27 °F
Mostly Sunny
Friday Night
Low: 11 °F
Partly Cloudy
Saturday
High: 35 °F
Mostly Sunny
Saturday Night
Low: 10 °F
Mostly Clear
Sunday
High: 34 °F
Mostly Sunny
Sunday Night
Low: 18 °F
Mostly Clear
Monday
High: 55 °F
Partly Sunny
Monday Night
Low: 38 °F
Mostly Cloudy
Detailed Forecast
Overnight
A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 5. Calm wind. Total nighttime snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 27. Wind chill values as low as 6. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 11. Calm wind becoming southwest around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 35. Wind chill values as low as 9. West wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 10. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 34. Calm wind becoming east 5 to 8 mph in the morning. Winds could gust as high as 16 mph.
Sunday Night
Mostly clear, with a low around 18. Southeast wind 5 to 7 mph becoming south after midnight.
Monday
Partly sunny, with a high near 55. Light and variable wind becoming west 5 to 7 mph in the morning. Winds could gust as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain after 11am. Mostly cloudy, with a high near 56. Breezy.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Wednesday
A chance of snow. Partly sunny, with a high near 49. Breezy.
Wednesday Night
A chance of snow. Mostly clear, with a low around 31.
Thursday
A slight chance of rain. Sunny, with a high near 54. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Spearfish SD
44.48°N 103.85°W (Elev. 3780 ft)
44.48°N 103.85°W (Elev. 3780 ft)
12:31 am MST Feb 20, 2026
1am MST Feb 20, 2026-6pm MST Feb 26, 2026
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