Don Day's Wyoming Weather Forecast: Sunday, August 31, 2025

Sunny in Wyoming on Sunday and mostly clear overnight. Patchy smoke or patchy fog in some areas. Highs in the 70s and low 80s and lows from near 40 to the mid 50s.

CK
Coy Knobel

August 31, 20253 min read

Sunrise over Glenrock.
Sunrise over Glenrock. (Reader photo: T. Toth)

Sunny in Wyoming on Sunday and mostly clear overnight. Patchy smoke or patchy fog in some areas. Highs in the 70s and low 80s and lows from near 40 to the mid 50s.

 

Central:  

Casper:  Sunny today with a high near 79 and mostly clear overnight with a low near 51.

 

Lander:  Patchy smoke after 2 p.m., sunny today with a high near 80 and mostly clear overnight with a low near 52.

 

Jeffrey City:  Patchy smoke after 4 p.m., sunny today with a high near 77 and mostly clear overnight with a low near 46.

 

Southwest:  

Evanston Sunny today with a high near 76 and mostly clear overnight with patchy smoke before midnight and a low near 45.

 

Rock Springs:  Sunny today with a high near 77 and mostly clear overnight with a low near 46.

 

Cokeville:  Patchy smoke, sunny today with a high near 78 and mostly clear overnight with a low near 39.

 

Western Wyoming:  

Pinedale:  Patchy smoke after 2 p.m., sunny today with a high near 74 and mostly clear overnight with a low near 40.

 

Afton:  Patchy smoke, sunny today with a high near 77 and mostly clear overnight with a low near 44.

 

La Barge:  Sunny today with a high near 75 and mostly clear overnight with a low near 42.

 

Northwest: 

Dubois Patchy smoke after noon, sunny today with a high near 74 and mostly clear overnight with a low near 45.

 

Jackson:  Patchy smoke, sunny today with a high near 79 and mostly clear overnight with a low near 42.

 

Old Faithful in Yellowstone National Park:  Patchy smoke after noon, sunny today with a high near 73 and mostly clear overnight with a low near 37.

 

­­Bighorn Basin:  

Thermopolis Sunny today with a high near 83 and mostly clear overnight with a low near 53.

 

Cody:  Sunny today with a high near 82 and mostly clear overnight with a low near 55.

 

Powell:  Sunny today with a high near 83 and mostly clear overnight with a low near 53.

 

North Central:  

Buffalo:  Sunny and breezy today with a high near 77 and wind gusts as high as 21 mph. Mostly clear overnight with a low near 56.

 

Sheridan:  Sunny today with a high near 84 and mostly clear overnight with a low near 50.

 

Dayton:  Sunny today with a high near 82 and mostly clear overnight with a low near 53.

 

Northeast:  

Gillette:  Sunny today with a high near 79 and wind gusts as high as 20 mph. Mostly clear overnight with a low near 52 and wind gusts as high as 20 mph.

 

Newcastle:  Patchy fog before 10 a.m., slight chance of rain after noon, otherwise mostly sunny today with a high near 76 and mostly clear overnight with a low near 50.

 

Sundance:  Patchy fog before 10 a.m., mostly sunny today with a high near 70 and mostly clear overnight with a low near 50.

 

Eastern Plains:  

Torrington:  Sunny today with a high near 82 and mostly clear overnight with a low near 50.

 

Douglas:  Sunny today with a high near 81 and mostly clear overnight with a low near 49.

 

Guernsey:  Sunny today with a high near 82 and mostly clear overnight with a low near 53.

 

Southeast:  

Cheyenne:  Sunny today with a high near 75 and mostly clear overnight with a low near 48.

 

Laramie:  Sunny today with a high near 71 and mostly clear overnight with a low near 43.

 

Medicine Bow:  Sunny today with a high near 75 and mostly clear overnight with a low near 42.

 

South Central:  

Rawlins:  Sunny today with a high near 74 and mostly clear overnight with a low near 47.

 

Saratoga:  Sunny today with a high near 74 and mostly clear overnight with a low near 42.

 

Hanna:  Sunny today with a high near 72 and mostly clear overnight with a low near 45.

Authors

CK

Coy Knobel

Night Editor