Don Day's Wyoming Weather Forecast: Wednesday, August 26, 2026

Mostly sunny in Wyoming on Wednesday with a chance of afternoon rain in some areas. Some storms in the southeast could be severe. Chance of rain in a few locations overnight. Highs from the upper 70s to near 90. Lows from the mid 40s to near 60.

CK
Coy Knobel

August 26, 20265 min read

Sublette County
"Sunset over the Wyoming range seen from Big Piney."
"Sunset over the Wyoming range seen from Big Piney." (Reader photo: Staff Polk)

Mostly sunny in Wyoming on Wednesday with a chance of afternoon rain in some areas. Some storms in the southeast could be severe. Chance of rain in a few locations overnight. Highs from the upper 70s to near 90. Lows from the mid 40s to near 60.

Central:  

Casper:  Mostly sunny today with a high near 87 and partly cloudy overnight with a low near 57. 

Lander:  Mostly sunny today with a high near 86 and mostly cloudy overnight with a slight chance of rain before 7 p.m. and a low near 58.

Shoshoni:   Sunny today with a high near 90 and partly cloudy overnight with a low near 60.

Southwest:  

Evanston  Chance of rain after noon, otherwise mostly sunny today with a high near 83 and partly cloudy overnight with a low near 51.

Rock Springs:   Mostly sunny and breezy today with a high near 87 and wind gusts as high as 28 mph. Partly cloudy and breezy overnight with a low near 54 and wind gusts as high as 24 mph. 

Lyman:   Slight chance of rain after noon, otherwise mostly sunny today with a high near 85 and partly cloudy overnight with a low near 53.

Western Wyoming:  

Pinedale:   Slight chance of rain after 2 p.m., otherwise mostly sunny today with a high near 79 and cloudy, gradually becoming partly cloudy overnight a slight chance of rain before 7 p.m., a low near 47 and wind gusts as high as 20 mph. 

Afton Mostly sunny today with a high near 84 and gradually clearing overnight with a slight chance of rain before 7 p.m. and a low near 49.

La Barge:  Slight chance of rain after 4 p.m., otherwise mostly sunny today with a high near 81 and wind gusts as high as 20 mph. Mostly cloudy overnight a low near 47.

Northwest: 

Dubois Slight chance of rain after noon, otherwise mostly sunny and breezy today with a high near 78 and wind gusts as high as 23 mph. Mostly cloudy overnight with a low near 48 and wind gusts as high as 20 mph. 

Jackson:  Mostly sunny today with a high near 85 and partly cloudy overnight with a low near 48.

Old Faithful in Yellowstone National Park:  Mostly sunny today with a high near 78 and mostly cloudy overnight with a low near 42.

Bighorn Basin:  

Thermopolis:  Slight chance of rain after 2 p.m., otherwise mostly sunny today with a high near 90 and partly cloudy overnight with a slight chance of rain before 7 p.m. and a low near 59.

Cody:  Slight chance of rain after noon, otherwise mostly sunny today with a high near 85 and mostly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 58.

Lovell:  Slight chance of rain after 5 p.m., otherwise mostly sunny today with a high near 89 and mostly cloudy overnight with a low near 58.

North Central:  

Buffalo:   Chance of rain mainly after 5 p.m., otherwise mostly sunny today with a high near 82 and partly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 61.

Sheridan:   Mostly sunny today with a high near 89 and partly cloudy overnight with a low near 55.

Dayton:   Slight chance of rain after 1 p.m., otherwise mostly sunny today with a high near 87 and partly cloudy overnight with a low near 59.

Northeast:  

Gillette:  Slight chance of rain after 3 p.m., otherwise mostly sunny today with a high near 85 and wind gusts as high as 18 mph. Partly cloudy overnight with a low near 58 and wind gusts as high as 21 mph. 

Newcastle:   Sunny today with a high near 84 and partly cloudy overnight with a low near 58 and wind gusts as high as 16 mph. 

Sundance:  Sunny today with a high near 81 and partly cloudy overnight with a low near 57 and wind gusts as high as 16 mph.

Eastern Plains:  

Torrington:  Slight chance of rain after noon (some storms could be severe), otherwise mostly sunny today with a high near 86 and mostly clear overnight with a slight chance of rain before 9 p.m. (some storms could be severe) and a low near 57. 

Lusk:   Slight chance of rain after noon, otherwise sunny today with a high near 82 and partly cloudy overnight with a low near 54. 

Guernsey:  Slight chance of rain after noon (some storms could be severe), increasing clouds today with a high near 85 and partly cloudy overnight with a low near 59.

Southeast:  

Cheyenne:   Chance of rain after noon (some storms could be severe), otherwise mostly sunny today with a high near 78 and partly cloudy overnight with a slight chance of rain before 9 p.m. (some storms could be severe) and a low near 55.

Laramie:  Chance of rain after noon (some storms could be severe), otherwise mostly sunny today with a high near 76 and partly cloudy overnight with a low near 51.

Medicine Bow:  Slight chance of rain after 3 p.m., otherwise sunny today with a high near 83 and partly cloudy overnight with a low near 48.

South Central:  

Rawlins:   Sunny today with a high near 81 and partly cloudy overnight with a low near 55.

Encampment:   Chance of rain mainly after noon, otherwise mostly sunny today with a high near 78 and partly cloudy overnight with a low near 51.

Hanna:   Sunny today with a high near 81 and partly cloudy overnight with a low near 52.

Authors

CK

Coy Knobel

Night Editor