Don Day's Wyoming Weather Forecast: Sunday, October 18, 2026

Sunny in Wyoming on Sunday and partly cloudy to mostly clear overnight. Highs from the upper 50s to low 70s. Lows from the mid 20s to low 40s.

October 18, 20263 min read

Converse County
"Just east of Glenrock. Gorgeous night no AI or filters either."
"Just east of Glenrock. Gorgeous night no AI or filters either." (Reader photo: Tim Andrus)

Sunny in Wyoming on Sunday and partly cloudy to mostly clear overnight. Highs from the upper 50s to low 70s. Lows from the mid 20s to low 40s.

 

Central:  

Casper:  Sunny today with a high near 64 and mostly clear overnight with a low near 37. 

 

Riverton:  Sunny today with a high near 61 and mostly clear overnight with a low near 35.

 

Glenrock:   Sunny today with a high near 65 and mostly clear overnight with a low near 37.

 

Southwest:  

Evanston:   Sunny today with a high near 60 and mostly clear overnight with a low near 33.

 

Green River:   Sunny today with a high near 61 and partly cloudy overnight with a low near 33.

 

Kemmerer:   Sunny today with a high near 60 and mostly clear overnight with a low near 32.

 

Western Wyoming:  

Pinedale:   Sunny today with a high near 59 and mostly clear overnight with a low near 31.

 

Alpine:  Sunny today with a high near 63 and mostly clear overnight with a low near 30.

 

Big Piney:   Sunny today with a high near 59 and mostly clear overnight with a low near 25.

 

Northwest: 

Dubois:   Sunny today with a high near 60 and partly cloudy overnight with a low near 33.

 

Jackson:   Mostly sunny today with a high near 64 and gradually becoming clear overnight with a low near 25.

 

Old Faithful in Yellowstone National Park:   Mostly sunny today with a high near 57 and mostly clear overnight with a low near 26.

 

Bighorn Basin:  

Thermopolis:   Sunny today with a high near 64 and mostly clear overnight with a low near 38.

 

Cody:   Sunny today with a high near 62 and mostly clear overnight with a low near 40.

 

Ten Sleep:   Sunny today with a high near 64 and mostly clear overnight with a low near 43.

 

North Central:  

Buffalo:   Sunny today with a high near 61 and partly cloudy overnight with a low near 43.

 

Sheridan:   Sunny today with a high near 65 and partly cloudy overnight with a low near 35.

 

Big Horn:   Sunny today with a high near 63 and partly cloudy overnight with a low near 42.

 

Northeast:  

Gillette:  Sunny today with a high near 63 and wind gusts as high as 22 mph. Mostly clear and breezy overnight with a low near 42 and wind gusts as high as 41 mph.

 

Newcastle:   Sunny today with a high near 66 and mostly clear overnight with a low near 41.

 

Hulett:  Sunny today with a high near 64 and wind gusts as high as 18 mph. Partly cloudy overnight with a low near 37 and wind gusts as high as 18 mph.

 

Eastern Plains:  

Torrington:  Sunny today with a high near 71 and mostly clear overnight with a low near 36.

 

Douglas:   Sunny today with a high near 66 and mostly clear overnight with a low near 37.

 

Midwest:  Sunny today with a high near 62 and mostly clear overnight with a low near 39.

 

Southeast:  

Cheyenne:   Sunny today with a high near 68 and partly cloudy overnight with a low near 40.

 

Laramie:  Sunny today with a high near 65 and partly cloudy overnight with a low near 39.

 

Chugwater:  Sunny today with a high near 66 and partly cloudy overnight with a low near 40.

 

South Central:  

Rawlins:   Sunny today with a high near 62 and wind gusts as high as 25 mph. Partly cloudy overnight with a low near 39.

 

Encampment:   Sunny today with a high near 63 and partly cloudy overnight with a low near 38.

 

Wamsutter:   Mostly sunny today with a high near 58 and cloudy, gradually becoming partly cloudy overnight with a low near 35.