Don Day's Wyoming Weather Forecast: Friday, September 19, 2025

Mostly sunny in Wyoming on Friday and partly to mostly cloudy overnight. Highs mainly in the 70s and lows in the 40s and low 50s.

CK
Coy Knobel

September 19, 20253 min read

Sheridan
Mother Nature put on an amazing light show for Sheridan’s Friday night light football game!
Mother Nature put on an amazing light show for Sheridan’s Friday night light football game! (Reader photo: Ron Mischke)

Mostly sunny in Wyoming on Friday and partly to mostly cloudy overnight. Highs mainly in the 70s and lows in the 40s and low 50s.

Central:  

Casper:  Sunny today with a high near 76 and mostly cloudy overnight with a low near 48.

Riverton:  Sunny today with a high near 81 and mostly cloudy overnight with a low near 48.

Glenrock:  Sunny today with a high near 75 and mostly cloudy overnight with a low near 47.

Southwest:  

Evanston Mostly cloudy today with a high near 73 and mostly cloudy overnight with a low near 45.

Green River:  Partly sunny today with a high near 77 and mostly cloudy overnight with a low near 50.

South Pass:  Mostly sunny today with a high near 71 and mostly cloudy overnight with a low near 48.

Western Wyoming:  

Pinedale:  Partly sunny today with a high near 72 and mostly cloudy overnight with a low near 40.

Alpine:  Partly sunny today with a high near 79 and mostly cloudy overnight with a low near 44.

Big Piney:  Partly sunny today with a high near 74 and mostly cloudy overnight with a low near 40.

Northwest: 

Dubois Mostly sunny today with a high near 71 and gradually becoming partly cloudy overnight with a low near 43.

Jackson:  Partly sunny today with a high near 76 and mostly cloudy overnight with a low near 41.

Old Faithful in Yellowstone National Park:  Partly sunny today with a high near 70 and mostly cloudy overnight with a low near 35.

­­Bighorn Basin:  

Thermopolis Mostly sunny today with a high near 80 and mostly cloudy overnight with a low near 50.

Cody:  Mostly sunny today with a high near 76 and mostly cloudy overnight with a low near 52.

Ten Sleep:  Sunny today with a high near 79 and mostly cloudy overnight with a low near 53.

North Central:  

Buffalo:  Sunny today with a high near 73 and mostly cloudy overnight with a low near 53.

Sheridan:  Areas of fog before 9 a.m., otherwise sunny today with a high near 78 and mostly cloudy overnight with a low near 46.

Ranchester:  Patchy fog before 9 a.m., otherwise sunny today with a high near 76 and mostly cloudy overnight with a low near 47.

Northeast:  

Gillette:  Sunny today with a high near 74 and partly cloudy overnight with a low near 48.

Newcastle:  Patchy fog before 9 a.m., otherwise sunny today with a high near 72 and partly cloudy overnight with a low near 48.

Moorcroft:  Patchy fog before 9 a.m., otherwise sunny today with a high near 74 and partly cloudy overnight with a low near 45.

Eastern Plains:  

Torrington:  Sunny today with a high near 76 and partly cloudy overnight with a low near 47.

Lusk:  Patchy fog before 9 a.m., otherwise mostly sunny today with a high near 71 and partly cloudy overnight with a low near 45.

Kaycee:  Sunny today with a high near 77 and mostly cloudy overnight with a low near 48.

Southeast:  

Cheyenne:  Sunny today with a high near 74 and mostly cloudy overnight with a low near 50.

Laramie:  Sunny today with a high near 71 and mostly cloudy overnight with a low near 45.

Pine Bluffs:  Sunny today with a high near 75 and partly cloudy overnight with a low near 47.

South Central:  

Rawlins:  Mostly sunny today with a high near 73 and mostly cloudy overnight with a low near 48.

Encampment:  Mostly sunny today with a high near 72 and mostly cloudy overnight with a low near 46.

Baggs:  Areas of frost before 9 a.m., increasing clouds today with a high near 76 and mostly cloudy overnight with a low near 44.

Authors

CK

Coy Knobel

Night Editor