Don Day's Wyoming Weather Forecast: Monday, December 8, 2025

Partly sunny to sunny in much of Wyoming on Monday. Partly to mostly cloudy overnight with a high wind watch in some locations that includes wind gusts higher than 50 mph. Highs from the low 30s to the low 50s. Lows from the mid-teens to the upper 30s.

CK
Coy Knobel

December 08, 20256 min read

A snow squall moves over Harmony, Wyoming
A snow squall moves over Harmony, Wyoming (Reader photo: Mike Palmer)

Partly sunny to sunny in much of Wyoming on Monday. Partly to mostly cloudy overnight with a high wind watch in some locations that includes wind gusts higher than 50 mph. Highs from the low 30s to the low 50s. Lows from the mid-teens to the upper 30s.

 

Central:  

Casper:  High wind watch after 11 p.m. tonight through midweek. Sunny and breezy today with a high near 45 and wind gusts as high as 32 mph. Increasing clouds and windy overnight with a low near 35 and wind gusts as high as 50 mph. 

Riverton:  Mostly sunny today with a high near 44 and mostly cloudy and breezy overnight with a low near 27 and wind gusts as high as 23 mph.

Jeffrey City:  High wind watch after 11 p.m. tonight through midweek. Sunny and windy today with a high near 42 and wind gusts as high as 40 mph. Increasing clouds and windy overnight with a low near 29 and wind gusts as high as 50 mph.

Southwest:  

Evanston Mostly sunny today with a high near 37 and partly cloudy overnight with a low near 24.

Green River:  High wind watch after 11 p.m. tonight through midweek. Mostly sunny and breezy today with a high near 43 and wind gusts as high as 31 mph. Partly cloudy overnight with a low near 29 and wind gusts as high as 22 mph.

South Pass:  Patchy blowing snow, otherwise partly sunny and breezy today with a high near 34 and wind gusts as high as 36 mph. Mostly cloudy and windy overnight with a low near 23 and wind gusts as high as 41 mph.

Western Wyoming:  

Pinedale:  Mostly cloudy today with a high near 35 and mostly cloudy overnight with a low near 20. 

Alpine:  Chance of snow and rain, cloudy today with a high near 37 and mostly cloudy overnight with snow and rain likely, a low near 29 and wind gusts as high as 21 mph. 

Big Piney:  Mostly sunny today with a high near 38 and wind gusts as high as 20 mph. Mostly cloudy overnight with a low near 16. 

Northwest: 

Dubois Patchy blowing snow before 11 a.m., sunny and windy today with a high near 37 and wind gusts as high as 47 mph. Partly cloudy and windy overnight with a chance of snow, a low near 29 and wind gusts as high as 48 mph.

Jackson:  Chance of snow, otherwise partly sunny today with a high near 39. Snow and rain likely and breezy overnight with a low near 29 and wind gusts as high as 28 mph.

Old Faithful in Yellowstone National Park:  Chance of snow mainly after 2 p.m., mostly cloudy and breezy today with a high near 31 and wind gusts as high as 24 mph. Up to 3 inches of snow near certain overnight with a low near 24 and wind gusts as high as 34 mph.

Bighorn Basin:  

Thermopolis Mostly sunny today with a high near 47 and mostly cloudy overnight with a low near 28. 

Cody:  Slight chance of snow after 5 p.m., increasing clouds and breezy today with a high near 46 and wind gusts as high as 33 mph. Mostly cloudy overnight with a slight chance of snow and rain, a low near 38 and wind gusts as high as 23 mph. 

Ten Sleep: Sunny today with a high near 43 and mostly cloudy overnight with a low near 29.

North Central:  

Buffalo:  Mostly sunny today with a high near 45 and mostly cloudy and breezy overnight with a low near 32 and wind gusts as high as 24 mph.

Sheridan:  Mostly sunny today with a high near 47 and mostly cloudy overnight with a low near 28.

Ranchester:  Mostly sunny today with a high near 45 and mostly cloudy overnight with a low near 29 and wind from 11-18 mph.

Northeast:  

Gillette:  Mostly sunny today with a high near 45 and wind gusts as high as 18 mph. Mostly cloudy and breezy overnight with a low near 33 and wind gusts as high as 34 mph.

Newcastle:  Mostly sunny today with a high near 42 and wind gusts as high as 22 mph. Mostly cloudy overnight with a low near 27.

Upton:  Partly sunny today with a high near 43 and wind gusts as high as 16 mph. Mostly cloudy overnight with a low near 27.

Eastern Plains:  

Torrington:  Sunny and breezy today with a high near 52 and wind gusts as high as 30 mph. Partly cloudy and breezy overnight with a low near 35 and wind gusts as high as 40 mph.

Lusk:  Sunny and breezy today with a high near 46 and wind from 15-20 mph. Partly cloudy and windy overnight with a low near 31 and wind gusts as high as 45 mph.

Kaycee:  Mostly sunny and breezy today with a high near 48 and wind gusts as high as 25 mph. Mostly cloudy and breezy overnight with a low near 28 and wind gusts as high as 24 mph.

Southeast:  

Cheyenne:  High wind watch after 11 p.m. tonight through midweek. Sunny and windy today with a high near 45 and wind gusts as high as 45 mph. Partly cloudy and windy overnight with a low near 33 and wind gusts as high as 55 mph. 

Laramie:  High wind watch after 11 p.m. tonight through midweek. Sunny and breezy today with a high near 37 and wind gusts as high as 40 mph. Partly cloudy and windy overnight with a low near 29 and wind gusts as high as 45 mph. 

Medicine Bow:  High wind watch after 11 p.m. tonight through midweek. Mostly sunny and windy today with a high near 37 and wind gusts as high as 45 mph. Partly cloudy and windy overnight with a low near 32 and wind gusts as high as 50 mph. 

South Central:  

Rawlins:  High wind watch after 11 p.m. tonight through midweek. Mostly sunny and breezy today with a high near 36 and wind gusts as high as 40 mph. Increasing clouds and windy overnight with a low near 33 and wind gusts as high as 55 mph.

Encampment:  High wind watch after 11 p.m. tonight through midweek. Slight chance of snow before 11 a.m., otherwise mostly sunny and breezy today with a high near 35 and wind gusts as high as 30 mph. Increasing clouds and windy overnight with a low near 30 and wind gusts as high as 40 mph. 

Hanna: High wind watch after 11 p.m. tonight through midweek. Mostly sunny and windy today with a high near 34 and wind gusts as high as 45 mph. Partly cloudy and windy overnight with a low near 27 and wind gusts as high as 50 mph. 

Authors

CK

Coy Knobel

Night Editor