Don Day's Wyoming Weather Forecast: Wednesday, December 31, 2025

Mostly sunny in much of Wyoming on Wednesday and partly to mostly cloudy overnight. Highs in the 40s and 50s and lows in the 20s and 30s.

CK
Coy Knobel

December 31, 20254 min read

Sublette County
"It was our first really cold day of the winter with strong upper level winds punishing the high peaks with strong gusts and blowing snow. A wonderful day as we close out the year."
"It was our first really cold day of the winter with strong upper level winds punishing the high peaks with strong gusts and blowing snow. A wonderful day as we close out the year." (Photographer: David Bell)

Mostly sunny in much of Wyoming on Wednesday and partly to mostly cloudy overnight. Highs in the 40s and 50s and lows in the 20s and 30s.

Central:  

Casper:  Sunny and breezy today with a high near 49 and wind gusts as high as 30 mph. Partly cloudy and breezy overnight with a low near 38 and wind gusts as high as 28 mph. 

Lander:  Mostly sunny today with a high near 47 and mostly cloudy overnight with a low near 29.

Shoshoni:  Mostly sunny today with a high near 43 and partly cloudy overnight with a low near 24.

Southwest:  

Evanston Partly sunny today with a high near 44 and snow likely after 5 a.m. overnight with a low near 29.

Rock Springs:  Mostly sunny today with a high near 44 and mostly cloudy overnight with a low near 27.

Kemmerer:  Mostly sunny today with a high near 42 and mostly cloudy overnight with a low near 25. 

Western Wyoming:  

Pinedale:  Mostly sunny today with a high near 42 and mostly cloudy overnight with a low near 21.

Afton:  Partly sunny today with a high near 42 and mostly cloudy overnight with a slight chance of snow after 11 p.m. and a low near 25.

La Barge:  Mostly sunny today with a high near 42 and mostly cloudy overnight with a low near 20.

Northwest: 

Dubois Mostly sunny and breezy today with a high near 48 and wind gusts as high as 25 mph. Mostly cloudy overnight with a low near 31 and wind gusts as high as 20 mph.

Jackson:  Mostly sunny today with a high near 41 and mostly cloudy overnight with a low near 21.

Old Faithful in Yellowstone National Park:  Mostly sunny today with a high near 39 and mostly cloudy overnight with a low near 15.

Bighorn Basin:  

Thermopolis Mostly sunny today with a high near 47 and partly cloudy overnight with a low near 24.

Cody:  Mostly sunny today with a high near 52 and mostly cloudy overnight with a low near 34.

Worland:  Mostly sunny today with a high near 45 and partly cloudy overnight with a low near 19.

North Central:  

Buffalo:  Sunny today with a high near 53 and partly cloudy overnight with a low near 37.

Sheridan:  Sunny today with a high near 53 and mostly cloudy overnight with a low near 26. 

Story:  Sunny today with a high near 53 and partly cloudy overnight with a low near 35.

Northeast:  

Gillette:  Sunny today with a high near 51 and partly cloudy overnight with a low near 29 and wind gusts as high as 16 mph. 

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

Sundance:  Sunny today with a high near 46 and partly cloudy overnight with a low near 33.

Eastern Plains:  

Torrington:  Sunny today with a high near 58 and partly cloudy overnight with a low near 23.

Douglas:  Sunny today with a high near 56 and partly cloudy overnight with a low near 28. 

Wright:  Sunny today with a high near 51 and partly cloudy overnight with a low near 35 and wind gusts as high as 23 mph.

Southeast:  

Cheyenne:  Sunny and breezy today with a high near 57 and wind gusts as high as 30 mph. Partly cloudy overnight with a low near 33. 

Laramie:  Sunny today with a high near 49 and mostly cloudy overnight with a low near 30.

Chugwater:  Sunny and windy today with a high near 56 and wind gusts as high as 50 mph. Partly cloudy and breezy overnight with a low near 37 and wind gusts as high as 35 mph.

South Central:  

Rawlins:  Mostly sunny today with a high near 44 and mostly cloudy and breezy overnight with a low near 36 and wind gusts as high as 30 mph.

Saratoga:  Mostly sunny today with a high near 48 and mostly cloudy overnight with a low near 27.

Wamsutter:  Mostly sunny and breezy today with a high near 41 and wind gusts as high as 23 mph. Mostly cloudy overnight with a low near 26.

Authors

CK

Coy Knobel

Night Editor