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

Mostly sunny in Wyoming on Monday with a few areas of smoke. Partly cloudy overnight. Highs from the low 70s to near 90 and lows in the 40s and 50s.

September 08, 20254 min read

"Smokey sunrise in Wapiti, Wyoming, this morning"
"Smokey sunrise in Wapiti, Wyoming, this morning" (Reader photo: Steve Brock)
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Mostly sunny in Wyoming on Monday with a few areas of smoke. Partly cloudy overnight. Highs from the low 70s to near 90 and lows in the 40s and 50s.

Central:  

Casper:  Mostly sunny today with a high near 85 and wind gusts as high as 20 mph. Partly cloudy overnight with a low near 51.

Lander:  Mostly sunny today with a high near 82 and partly cloudy overnight with a low near 53. 

Shoshoni:  Sunny today with a high near 87 and partly cloudy overnight with a low near 53.

Southwest:  

Evanston Mostly sunny today with a high near 75 and partly cloudy overnight with a chance of rain after midnight and a low near 47. 

Rock Springs:  Mostly sunny today with a high near 80 and partly cloudy overnight with a low near 50.

Cokeville:  Mostly sunny today with a high near 77 and increasing clouds overnight with a chance of rain after midnight and a low near 41.

Western Wyoming:  

Pinedale:  Areas of smoke after 4 p.m., otherwise mostly sunny today with a high near 74 and wind gusts as high as 20 mph. Partly cloudy overnight with a low near 41.

Afton:  Mostly sunny today with a high near 77 and increasing clouds overnight with a chance of rain after midnight and a low near 45.

La Barge:  Mostly sunny today with a high near 77 and increasing clouds overnight with a slight chance of rain after midnight and a low near 45.

Northwest: 

Dubois Mostly sunny and breezy today with a high near 74 and wind gusts as high as 26 mph. Partly cloudy and breezy overnight with a low near 44 and wind gusts as high as 25 mph. 

Jackson:  Areas of smoke after 5 p.m., mostly sunny today with a high near 77 and partly cloudy overnight with a low near 42.

Old Faithful in Yellowstone National Park:  Mostly sunny today with a high near 70 and partly cloudy overnight with a low near 36. 

­­Bighorn Basin:  

Thermopolis Sunny today with a high near 86 and partly cloudy overnight with a low near 54.

Cody:  Sunny today with a high near 83 and partly cloudy overnight with a low near 54. 

Greybull:  Sunny today with a high near 86 and partly cloudy overnight with a low near 51.

North Central:  

Buffalo:  Areas of smoke after 11 a.m., mostly sunny today with a high near 80 and partly cloudy overnight with a low near 57.

Sheridan:  Widespread haze and areas of smoke after noon, sunny today with a high near 85 and partly cloudy overnight with a widespread haze and a low near 50.

Big Horn:  Widespread haze and areas of smoke after noon, sunny today with a high near 83 and partly cloudy overnight with a widespread haze and a low near 53.

Northeast:  

Gillette:  Areas of smoke after 1 p.m., sunny today with a high near 83 and partly cloudy overnight with areas of smoke before midnight and a low near 54.

Newcastle:  Areas of smoke, sunny today with a high near 84 and partly cloudy overnight with areas of smoke before midnight and a low near 55.

Sundance:  Areas of smoke, sunny today with a high near 79 and partly cloudy overnight with areas of smoke before midnight and a low near 55.

Eastern Plains:  

Torrington:  Increasing clouds and hot today with a high near 90 and partly cloudy overnight with a low near 50.

Wheatland:  Mostly sunny today with a high near 86 and partly cloudy overnight with a low near 53. 

Guernsey:  Increasing clouds today with a high near 88 and partly cloudy overnight with a low near 54.

Southeast:  

Cheyenne:  Mostly sunny today with a high near 81 and wind gusts as high as 25 mph. Partly cloudy overnight with a low near 52. 

Laramie:  Increasing clouds today with a high near 75 and wind gusts as high as 30 mph. Partly cloudy overnight with a low near 47.

Chugwater:  Increasing clouds and breezy today with a high near 83 and wind from 15-20 mph. Partly cloudy overnight with a low near 53.

South Central:  

Rawlins:  Mostly sunny today with a high near 77 and partly cloudy overnight with a low near 50.

Saratoga:  Mostly sunny today with a high near 77 and partly cloudy overnight with a low near 46.

Wamsutter:  Mostly sunny today with a high near 77 and wind gusts as high as 20 mph. Partly cloudy overnight with a low near 47.