City of Spearfish Weather Forecast
- -8
- 19
Chance Snow
- -6
- 4
Snow Likely
- -3
- 18
Chance Snow
- 1
- 12
Partly Sunny
- 17
- 36
Partly Sunny
- 16
- 32
Mostly Cloudy
Today 22 Jan Northern Foothills
Partly cloudy. Highs around 20. North Winds 10 to 15 Mph with Gusts up to 30 Mph.
Tonight 22 Jan Northern Foothills
Mostly cloudy with a 50 percent chance of snow. Little or no snow accumulation. Colder with Lows around 10 below. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph this evening. Wind chill Values around 25 below.
City of Spearfish Temperature Statistics
January Temperature
Spearfish / Clyde Ice (3.1 miles)
Lowest 17 January, 2026
-0.4 °FAverage January
37.2 °FHighest 4 January, 2026
59 °F
Climate (2021–Present)
Spearfish / Clyde Ice (3.1 miles)
Average Low 2021–2026
36.3 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
58.4 °F