Powder River Pass

For the football pass taking place between Arkansas and Ole Miss in 1954, see Arkansas–Ole Miss football rivalry § 1954 – Powder River Pass.

Powder River Pass (el. 9,666 ft or 2,946 m) is a mountain pass in the Bighorn Mountains in Wyoming traversed by U.S. Highway 16 (US 16).^[1] Also known as Muddy Pass, it is the highest point on US 16.^[1] It is between the towns of Buffalo and Ten Sleep.^[2]

Powder River Pass
Powder River Pass, looking west
Elevation	9,666 ft (2,946 m)[1]
Traversed by	U.S. Highway 16
Location	Johnson County, Wyoming, United States
Range	Bighorn Mountains
Coordinates	44°08′59″N 107°04′46″W

The Powder River Pass sign

Climate

Powder River Pass has a subarctic climate (Köppen Dfc).

Climate data for Powder River Pass, Wyoming, 1991–2020 normals: 9480ft (2890m)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean daily maximum °F (°C)	25.6 (−3.6)	26.9 (−2.8)	34.5 (1.4)	39.9 (4.4)	48.1 (8.9)	57.7 (14.3)	66.9 (19.4)	65.5 (18.6)	55.3 (12.9)	42.0 (5.6)	31.6 (−0.2)	24.6 (−4.1)	43.2 (6.2)
Daily mean °F (°C)	17.1 (−8.3)	17.4 (−8.1)	24.1 (−4.4)	29.5 (−1.4)	38.3 (3.5)	46.9 (8.3)	55.0 (12.8)	53.8 (12.1)	45.1 (7.3)	33.3 (0.7)	23.2 (−4.9)	16.4 (−8.7)	33.3 (0.7)
Mean daily minimum °F (°C)	8.7 (−12.9)	7.8 (−13.4)	13.7 (−10.2)	19.0 (−7.2)	28.4 (−2.0)	36.2 (2.3)	43.1 (6.2)	42.2 (5.7)	34.9 (1.6)	24.5 (−4.2)	14.8 (−9.6)	8.3 (−13.2)	23.5 (−4.7)
Average precipitation inches (mm)	1.92 (49)	2.04 (52)	2.37 (60)	3.36 (85)	3.81 (97)	3.13 (80)	1.53 (39)	1.26 (32)	1.99 (51)	2.34 (59)	1.83 (46)	1.69 (43)	27.27 (693)
Source 1: XMACIS2[3]
Source 2: NOAA (Precipitation)[4]