Don Day's Wyoming Weather Forecast: Wednesday, August 19, 2026

Sunny in Wyoming on Wednesday and mostly clear overnight. Highs in the 70s and 80s. Lows mainly in the 40s and 50s.

August 18, 20264 min read

Clark
The light of sunrise is glorious on the clouds and mountains and there’s even a small bit of rainbow!
The light of sunrise is glorious on the clouds and mountains and there’s even a small bit of rainbow! (Reader photo: Randi Slaughter)

Sunny in Wyoming on Wednesday and mostly clear overnight. Highs in the 70s and 80s. Lows mainly in the 40s and 50s.

 

Central:  

Casper:  Sunny today with a high near 85 and wind gusts as high as 20 mph. Mostly clear overnight with a low near 55.

 

Riverton:  Sunny today with a high near 88 and mostly clear overnight with a low near 55.

 

Glenrock:   Sunny today with a high near 85 and mostly clear overnight with a low near 54.

 

Southwest:  

Evanston  Sunny today with a high near 85 and partly cloudy overnight with a low near 52.

 

Green River:   Sunny and breezy today with a high near 89 and wind gusts as high as 24 mph. Mostly clear and breezy overnight with a low near 56 and wind gusts as high as 23 mph.

 

Kemmerer:   Sunny and breezy today with a high near 84 and wind gusts as high as 24 mph. Mostly clear and breezy overnight with a low near 51 and wind gusts as high as 23 mph.

 

Western Wyoming:  

Pinedale:   Sunny and breezy today with a high near 78 and wind gusts as high as 21 mph. Mostly clear and breezy overnight with a low near 45 and wind gusts as high as 21 mph.

 

Alpine Sunny today with a high near 84 and mostly clear overnight with a low near 48.

 

Big Piney:  Sunny and breezy today with a high near 80 and wind gusts as high as 21 mph. Mostly clear and breezy overnight with a low near 42 and wind gusts as high as 21 mph.

 

Northwest: 

Dubois Sunny and breezy today with a high near 76 and wind gusts as high as 24 mph. Mostly clear and breezy overnight with a low near 47 and wind gusts as high as 24 mph.

 

Jackson:  Sunny today with a high near 82 and mostly clear overnight with a low near 46.

 

Old Faithful in Yellowstone National Park:  Sunny today with a high near 75 and mostly clear overnight with a low near 41.

 

Bighorn Basin:  

Thermopolis:  Sunny today with a high near 86 and mostly clear overnight with a low near 59.

 

Cody:  Sunny today with a high near 83 and mostly clear overnight with a low near 57.

 

Ten Sleep:  Sunny today with a high near 85 and mostly clear overnight with a low near 60.

 

North Central:  

Buffalo:   Sunny today with a high near 81 and mostly clear overnight with a low near 59.

 

Sheridan:   Sunny today with a high near 88 and mostly clear overnight with a low near 52.

 

Big Horn:   Sunny today with a high near 85 and mostly clear overnight with a low near 57.

 

Northeast:  

Gillette:  Increasing clouds today with a high near 85 and wind gusts as high as 23 mph. Mostly clear overnight with a low near 54 and wind gusts as high as 22 mph.

 

Newcastle:   Sunny today with a high near 84 and wind gusts as high as 21 mph. Mostly clear overnight with a low near 57 and wind gusts as high as 21 mph.

 

Hulett:  Sunny today with a high near 89 and wind gusts as high as 18 mph. Mostly clear overnight with a low near 53 and wind gusts as high as 16 mph.

 

Eastern Plains:  

Torrington:  Sunny today with a high near 86 and mostly clear overnight with a low near 57.

 

Douglas:   Sunny today with a high near 85 and mostly clear overnight with a low near 54.

 

Midwest:  Sunny and breezy today with a high near 85 and wind gusts as high as 21 mph. Mostly clear overnight with a low near 56.

 

Southeast:  

Cheyenne:   Mostly sunny today with a high near 83 and mostly clear overnight with a low near 56.

 

Laramie:  Sunny and breezy today with a high near 80 and wind gusts as high as 30 mph. Mostly clear overnight with a low near 52 and wind gusts as high as 25 mph.

 

Chugwater:  Sunny today with a high near 84 and mostly clear overnight with a low near 57.

 

South Central:  

Rawlins:   Sunny and breezy today with a high near 82 and wind gusts as high as 30 mph. Mostly clear overnight with a low near 55 and wind gusts as high as 25 mph.

 

Saratoga:   Sunny and breezy today with a high near 83 and wind gusts as high as 30 mph. Mostly clear overnight with a low near 50 and wind gusts as high as 25 mph.

 

Wamsutter:   Sunny and breezy today with a high near 84 and wind gusts as high as 26 mph. Mostly clear overnight with a low near 51 and wind gusts as high as 20 mph.