Don Day's Wyoming Weather Forecast: Friday, August 15, 2025

Mix of clouds and sun in Wyoming on Friday with a chance for afternoon and evening rain. Partly to mostly cloudy overnight. Highs from the mid 70s to the mid 90s and lows from the low 40s to the mid 60s.

CK
Coy Knobel

August 15, 20255 min read

Storm approaching Greybull, Wyoming. "The power and beauty of nature on full display with backdrop of stillness of the quiet Big Horn Basin. Spectacular!"
Storm approaching Greybull, Wyoming. "The power and beauty of nature on full display with backdrop of stillness of the quiet Big Horn Basin. Spectacular!" (Reader photo: Bob Williamson)

Mix of clouds and sun in Wyoming on Friday with a chance for afternoon and evening rain. Partly to mostly cloudy overnight. Highs from the mid 70s to the mid 90s and lows from the low 40s to the mid 60s.

 

Central:  

Casper:  Slight chance of rain after 4 p.m., otherwise mostly sunny today with a high near 90 and mostly cloudy overnight with a slight chance of rain before midnight and a low near 62.

 

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

 

Shoshoni:  Slight chance of rain after 3 p.m., otherwise mostly sunny today with a high near 92 and mostly cloudy overnight with low near 60.

 

Southwest:  

Evanston Chance of rain after noon, mostly cloudy today with a high near 81 and partly cloudy overnight with a slight chance of rain before midnight and a low near 48.

 

Rock Springs:  Slight chance of rain, otherwise partly sunny today with a high near 78 and mostly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 52.

 

Cokeville:  Slight chance of rain after 1 p.m., otherwise partly sunny and breezy today with a high near 80 and wind gusts as high as 25 mph. Partly cloudy overnight with a slight chance of rain before midnight and a low near 41.

 

Western Wyoming:  

Pinedale:  Slight chance of rain after noon, otherwise mostly sunny and breezy today with a high near 75 and wind gusts as high as 22 mph. Gradually becoming partly cloudy overnight with a low near 44.

 

Afton:  Chance of rain, otherwise mostly sunny today with a high near 81 and partly cloudy overnight with a slight chance of rain before midnight and a low near 48.

 

La Barge:  Chance of rain, otherwise partly sunny today with a high near 75 and wind gusts as high as 21 mph. Mostly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 44.

 

Northwest: 

Dubois Chance of rain, increasing clouds and breezy today with a high near 76 and wind gusts as high as 26 mph. Mostly cloudy overnight with a slight chance of rain before 9 p.m., a low near 50 and wind gusts as high as 22 mph.

 

Jackson:  Slight chance of rain after noon, otherwise mostly sunny today with a high near 82 and wind gusts as high as 20 mph. Gradually becoming mostly clear overnight with a low near 47.

 

Old Faithful in Yellowstone National Park:  Mostly sunny today with a high near 76 and partly cloudy overnight with a low near 42 and wind gusts as high as 20 mph.

 

­­Bighorn Basin:  

Thermopolis Slight chance of rain after noon, increasing clouds today with a high near 92 and mostly cloudy overnight with a low near 61.

 

Cody:  Slight chance of rain, otherwise mostly sunny today with a high near 84 and partly cloudy overnight with a low near 60.

 

Ten Sleep:  Slight chance of rain after 3 p.m., otherwise mostly sunny today with a high near 89 and mostly cloudy overnight with a low near 65.

 

North Central:  

Buffalo:  Slight chance of rain after noon, otherwise mostly sunny today with a high near 83 and mostly cloudy overnight with a low near 65.

 

Sheridan:  Mostly sunny and hot today with a high near 90 and partly cloudy overnight with a low near 60.

 

Ranchester:  Mostly sunny today with a high near 88 and partly cloudy overnight with a low near 60.

 

Northeast:  

Gillette:  Chance of rain after 3 p.m., otherwise mostly sunny today with a high near 91 and mostly cloudy overnight with a low near 62.

 

Newcastle:  Chance of rain after 3 p.m., otherwise mostly sunny today with a high near 89 and mostly cloudy overnight with a slight chance of rain before midnight and a low near 62.

 

Sundance:  Chance of rain mainly after 3 p.m., otherwise mostly sunny today with a high near 83 and mostly cloudy overnight with a slight chance of rain before midnight and a low near 61.

 

Eastern Plains:  

Torrington:  Mostly sunny and hot today with a high near 96 and mostly cloudy overnight with a low near 61.

 

Wheatland:  Chance of rain mainly after 4 p.m., otherwise mostly sunny and hot today with a high near 93 and mostly cloudy overnight with a slight chance of rain before midnight and a low near 64.

 

Guernsey:  Slight chance of rain after 4 p.m., otherwise mostly sunny and hot today with a high near 95 and mostly cloudy overnight with a slight chance of rain before midnight and a low near 63.

 

Southeast:  

Cheyenne:  Chance of rain mainly after 3 p.m., otherwise mostly sunny today with a high near 88 and mostly cloudy overnight with a slight chance of rain before midnight and a low near 59.

 

Laramie:  Chance of rain mainly after 2 p.m., increasing clouds today with a high near 85 and mostly cloudy overnight with a chance of rain before midnight and a low near 52.

 

Chugwater:  Chance of rain mainly after 3 p.m., otherwise mostly sunny and hot today with a high near 90 and mostly cloudy overnight with a slight chance of rain before midnight and a low near 62.

 

South Central:  

Rawlins:  Slight chance of rain after 4 p.m., otherwise mostly sunny today with a high near 86 and mostly cloudy overnight with a chance of rain before midnight and a low near 56.

 

Saratoga:  Chance of rain mainly after 4 p.m., otherwise mostly sunny today with a high near 86 and mostly cloudy overnight with a chance of rain and a low near 51.

 

Wamsutter:  Slight chance of rain after 1 p.m., otherwise partly sunny and breezy today with a high near 81 and wind gusts as high as 23 mph. Mostly cloudy overnight with a chance of rain and a low near 52.

Authors

CK

Coy Knobel

Night Editor