Don Day's Wyoming Weather Forecast: Friday, September 12, 2025

Chance of rain, otherwise partly to mostly sunny in Wyoming on Friday. Mostly cloudy with a chance of rain overnight. Highs from the mid 60s to the upper 80s and lows from the low 30s to the upper 50s.

CK
Coy Knobel

September 12, 20255 min read

"Box Hanging Three Ranch west of Dubois. 2-3 year old Tennessee Walking horses across the Wind River."
"Box Hanging Three Ranch west of Dubois. 2-3 year old Tennessee Walking horses across the Wind River." (Reader photo: John Angst)

Chance of rain, otherwise partly to mostly sunny in Wyoming on Friday. Mostly cloudy with a chance of rain overnight. Highs from the mid 60s to the upper 80s and lows from the low 30s to the upper 50s.

 

Central:  

Casper:  Chance of rain mainly after 2 p.m., increasing clouds today with a high near 83 and wind gusts as high as 22 mph. Mostly cloudy overnight with a chance of rain, a low near 53 and wind gusts as high as 24 mph.

Lander:  Slight chance of rain after noon, otherwise mostly sunny today with a high near 78 and mostly cloudy overnight with a chance of rain and a low near 48.

Jeffrey City:  Chance of rain, increasing clouds and breezy today with a high near 77 and wind gusts as high as 28 mph. Mostly cloudy overnight with a chance of rain, a low near 45 and wind gusts as high as 24 mph.

 

Southwest:  

EvanstonChance of rain after noon, otherwise partly sunny today with a high near 70 and partly cloudy overnight with a chance of rain before midnight and a low near 39.

Rock Springs:  Slight chance of rain after noon, otherwise mostly sunny today with a high near 75 and wind gusts as high as 23 mph. Mostly cloudy and breezy overnight with a chance of rain mainly before 11 p.m., a low near 44 and wind gusts as high as 26 mph.

Cokeville:  Slight chance of rain after 11 a.m., otherwise partly sunny today with a high near 70 and mostly cloudy overnight with a slight chance of rain and a low near 34.

 

Western Wyoming:  

Pinedale:  Chance of rain, otherwise partly sunny today with a high near 68 and mostly cloudy overnight with a chance of rain and a low near 36.

Afton:  Chance of rain, otherwise partly sunny today with a high near 72 and mostly cloudy overnight with a chance of rain and a low near 39.

La Barge:  Slight chance of rain after noon, otherwise partly sunny today with a high near 70 and wind gusts as high as 20 mph. Mostly cloudy overnight with a chance of rain mainly before 7 p.m. and a low near 39.

 

Northwest: 

DuboisChance of rain, otherwise partly sunny today with a high near 67 and wind gusts as high as 20 mph. Mostly cloudy overnight with a chance of rain and a low near 41.

Jackson:  Chance of rain after 11 a.m., otherwise mostly sunny today with a high near 72 and mostly cloudy overnight with a slight chance of rain and a low near 38.

Old Faithful in Yellowstone National Park:  Chance of rain mainly after 4 p.m., otherwise mostly sunny today with a high near 67 and mostly cloudy overnight with a slight chance of rain and a low near 33.

 

­­Bighorn Basin:  

Thermopolis Slight chance of rain after noon, otherwise mostly sunny today with a high near 82 and mostly cloudy overnight with a chance of rain and a low near 52.

Cody:  Chance of rain, otherwise partly sunny today with a high near 76 and mostly cloudy overnight with a chance of rain and a low near 52.

Worland:  Slight chance of rain after 3 p.m., otherwise mostly sunny today with a high near 83 and mostly cloudy overnight with a chance of rain and a low near 51.

 

North Central:  

Buffalo:  Chance of rain, becoming mostly cloudy today with a high near 78 and mostly cloudy overnight with a chance of rain and a low near 54.

Sheridan:  Chance of rain after noon, otherwise partly sunny today with a high near 81 and mostly cloudy overnight with rain likely and a low near 50.

Story:  Chance of rain mainly after noon, otherwise partly sunny today with a high near 78 and mostly cloudy overnight with rain likely and a low near 50.

 

Northeast:  

Gillette:  Slight chance of rain after 3 p.m., otherwise mostly sunny today with a high near 82 and mostly cloudy overnight with a chance of rain and a low near 52.

Newcastle:  Slight chance of rain after 3 p.m., otherwise partly sunny today with a high near 83 and mostly cloudy overnight with a chance of rain and a low near 55.

Sundance:  Slight chance of rain after 3 p.m., otherwise mostly sunny today with a high near 79 and mostly cloudy overnight with a chance of rain and a low near 53.

 

Eastern Plains:  

Torrington:  Slight chance of rain after noon, otherwise partly sunny today with a high near 88 and mostly cloudy overnight with a chance of rain and a low near 56.

Douglas:  Chance of rain after noon, otherwise partly sunny today with a high near 83 and mostly cloudy overnight with a chance of rain and a low near 53.

Guernsey:  Slight chance of rain after noon, otherwise partly sunny today with a high near 86 and mostly cloudy overnight with a chance of rain and a low near 58.

 

Southeast:  

Cheyenne:  Slight chance of rain after noon, otherwise partly sunny today with a high near 78 and mostly cloudy overnight with a chance of rain and a low near 52.

Laramie:  Chance of rain after noon, otherwise partly sunny today with a high near 73 and mostly cloudy overnight with a chance of rain and a low near 45.

Medicine Bow:  Chance of rain after noon, otherwise partly sunny today with a high near 77 and mostly cloudy overnight with a chance of rain and a low near 45.

 

South Central:  

Rawlins:  Chance of rain after noon, otherwise partly sunny and breezy today with a high near 75 and wind gusts as high as 30 mph. Mostly cloudy overnight with a chance of rain and a low near 48.

Saratoga:  Chance of rain after noon, otherwise partly sunny today with a high near 75 and mostly cloudy overnight with a chance of rain and a low near 43.

Hanna:  Chance of rain after noon, otherwise partly sunny today with a high near 75 and mostly cloudy overnight with a chance of rain and a low near 45.

Authors

CK

Coy Knobel

Night Editor