Don Day's Wyoming Weather Forecast: Monday, December 29, 2025

Sunny in Wyoming on Monday and mostly clear overnight. Highs from the mid 20s to the low 40s and lows mainly in the teens and low 20s.

CK
Coy Knobel

December 29, 20253 min read

"Snow, sunset, and Jelm Mountain."
"Snow, sunset, and Jelm Mountain." (Reader photo: Mike Palmer)
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Sunny in Wyoming on Monday and mostly clear overnight. Highs from the mid 20s to the low 40s and lows mainly in the teens and low 20s.

Central:  

Casper:  Sunny and breezy today with a high near 35 and wind gusts as high as 29 mph. Mostly clear overnight with a low near 24 and wind gusts as high as 21 mph. 

Lander:  Sunny today with a high near 33 and mostly clear overnight with a low near 18.

Jeffrey City:  Sunny and breezy today with a high near 32 and wind gusts as high as 26 mph. Mostly clear overnight with a low near 16.

Southwest:  

Evanston Sunny today with a high near 32 and mostly clear overnight with a low near 15.

Rock Springs:  Sunny today with a high near 31 and mostly clear overnight with a low near 15.

Cokeville:  Sunny today with a high near 28 and mostly clear overnight with a low near 10.

Western Wyoming:  

Pinedale:  Sunny today with a high near 30 and mostly clear overnight with a low near 11.

Afton:  Sunny today with a high near 31 and mostly clear overnight with a low near 13.

La Barge:  Sunny today with a high near 29 and mostly clear overnight with a low near 11.

Northwest: 

Dubois Sunny and breezy today with a high near 37 and wind gusts as high as 23 mph. Mostly clear overnight with a low near 22 and wind gusts as high as 22 mph.

Jackson:  Sunny today with a high near 26 and mostly clear overnight with a low near 11.

Old Faithful in Yellowstone National Park:  Sunny today with a high near 25 and mostly clear overnight with a low near 6.

Bighorn Basin:  

Thermopolis Sunny today with a high near 34 and mostly clear overnight with a low near 15.

Cody:  Sunny today with a high near 37 and mostly clear overnight with a low near 23.

Powell:  Sunny today with a high near 33 and mostly clear overnight with a low near 18. 

North Central:  

Buffalo:  Sunny today with a high near 38 and mostly clear overnight with a low near 25.

Sheridan:  Sunny today with a high near 41 and mostly clear overnight with a low near 19.

Dayton:  Sunny today with a high near 40 and mostly clear overnight with a low near 22.

Northeast:  

Gillette:  Sunny today with a high near 38 and wind gusts as high as 20 mph. Partly cloudy overnight with a low near 21. 

Newcastle:  Sunny today with a high near 35 and mostly clear overnight with a low near 22.

Sundance:  Sunny today with a high near 32 and wind gusts as high as 18 mph. Partly cloudy overnight with a low near 22.

Eastern Plains:  

Torrington:  Sunny today with a high near 41 and mostly clear overnight with a low near 16.

Lusk:  Sunny today with a high near 39 and mostly clear overnight with a low near 20.

Guernsey:  Sunny today with a high near 41 and mostly clear overnight with a low near 20.

Southeast:  

Cheyenne:  Sunny today with a high near 41 and mostly clear overnight with a low near 21. 

Laramie:  Sunny today with a high near 33 and mostly clear overnight with a low near 17.

Medicine Bow:  Sunny and breezy today with a high near 31 and wind gusts as high as 30 mph. Mostly clear overnight with a low near 17.

South Central:  

Rawlins:  Sunny today with a high near 30 and mostly clear overnight with a low near 18.

Saratoga:  Sunny today with a high near 33 and mostly clear overnight with a low near 12.

Hanna:  Sunny and breezy today with a high near 29 and wind gusts as high as 30 mph. Mostly clear overnight with a low near 15.

Authors

CK

Coy Knobel

Night Editor