Don Day's Wyoming Weather Forecast: Monday, December 15, 2025

Sunny in Wyoming on Monday and partly to mostly cloudy overnight. Highs from the low 40s to the low 60s. Lows from the low 20s to the mid 40s.

CK
Coy Knobel

December 15, 20254 min read

Carbon County
"Sunset outside Encampment at 1-11 Ranch"
"Sunset outside Encampment at 1-11 Ranch" (Reader photo: Kathy Moon)

Sunny in Wyoming on Monday and partly to mostly cloudy overnight. Highs from the low 40s to the low 60s. Lows from the low 20s to the mid 40s.

 

Central:  

Casper:  Sunny and breezy today with a high near 56 and wind gusts as high as 32 mph. Partly cloudy and breezy overnight with a low near 40 and wind gusts as high as 31 mph.  

Lander:  Sunny today with a high near 54 and mostly cloudy overnight with a low near 33.

Glenrock:  Sunny today with a high near 59 and partly cloudy overnight with a low near 40.

Southwest:  

Evanston Sunny today with a high near 49 and partly cloudy overnight with a low near 29. 

Rock Springs:  Sunny today with a high near 48 and partly cloudy overnight with a low near 29.

Kemmerer:  Sunny today with a high near 46 and wind gusts as high as 21 mph. Partly cloudy overnight with a low near 26.

Western Wyoming:  

Pinedale:  Sunny today with a high near 44 and mostly cloudy overnight with a low near 23.

 

Afton:  Sunny today with a high near 47 and mostly cloudy overnight with a slight chance of rain and snow after 11 p.m. and a low near 29.

 

La Barge:  Sunny today with a high near 47 and mostly cloudy overnight with a low near 23.

 

Northwest: 

Dubois Sunny and breezy today with a high near 49 and wind gusts as high as 37 mph. Partly cloudy and breezy overnight with a low near 34 and wind gusts as high as 30 mph 

Jackson:  Sunny today with a high near 47 and mostly cloudy overnight with a chance of snow and rain and a low near 29.

Old Faithful in Yellowstone National Park:  Increasing clouds today with a high near 40 and wind gusts as high as 26 mph. Mostly cloudy overnight with a chance of snow after 11 p.m., a low near 24 and wind gusts as high as 21 mph.

Bighorn Basin:  

Thermopolis Sunny today with a high near 52 and mostly cloudy overnight with a low near 31.

Cody:  Increasing clouds and windy today with a high near 57 and wind gusts as high as 38 mph. Partly cloudy and breezy overnight with a low near 42 and wind gusts as high as 33 mph.

Lovell:  Sunny today with a high near 46 and mostly cloudy overnight with a low near 30.

North Central:  

Buffalo:  Sunny today with a high near 57 and mostly cloudy overnight with a low near 39 and wind gusts as high as 21 mph.

Sheridan:  Sunny today with a high near 51 and mostly cloudy overnight with a low near 31.

Clearmont:  Sunny today with a high near 49 and mostly cloudy overnight with a low near 29.

Northeast:  

Gillette:  Sunny today with a high near 52 and wind gusts as high as 18 mph. Mostly cloudy overnight with a low near 37 and wind gusts as high as 24 mph.

Newcastle:  Sunny today with a high near 53 and partly cloudy overnight with a low near 34.

Sundance:  Sunny today with a high near 55 and wind gusts as high as 16 mph. Mostly cloudy overnight with a low near 35 and wind gusts as high as 16 mph.

Eastern Plains:  

Torrington:  Sunny today with a high near 59 and partly cloudy overnight with a low near 36.

Wheatland:  Sunny today with a high near 60 and wind gusts as high as 25 mph. Partly cloudy and breezy overnight with a low near 45 and wind gusts as high as 40 mph.

Wright:  Sunny today with a high near 54 and wind gusts as high as 22 mph. Partly cloudy and breezy overnight with a low near 39 and wind gusts as high as 30 mph.

Southeast:  

Cheyenne:  Sunny today with a high near 61 and increasing clouds and breezy overnight with a low near 39 and wind gusts as high as 30 mph.

Laramie:  Sunny today with a high near 52 and partly cloudy overnight with a low near 33.

Pine Bluffs:  Sunny today with a high near 63 and mostly clear overnight with a low near 34.

South Central:  

Rawlins:  Sunny and breezy today with a high near 48 and wind gusts as high as 30 mph. Partly cloudy and breezy overnight with a low near 34 and wind gusts as high as 30 mph.

Saratoga:  Sunny today with a high near 51 and partly cloudy overnight with a low near 29.

Baggs: Sunny today with a high near 49 and partly cloudy overnight with a low near 23.

Authors

CK

Coy Knobel

Night Editor