Don Day's Wyoming Weather Forecast: Sunday, August 16, 2026

Mostly sunny in Wyoming on Sunday with a chance of afternoon rain in some areas. Partly cloudy to mostly clear overnight with a chance of rain in some locations. Highs from the low 70s to low 80s. Lows in the 40s and 50s.

CK
Coy Knobel

August 16, 20265 min read

Sweetwater County
"Pretty shot of the smoky sunset last night in Rock Springs."
"Pretty shot of the smoky sunset last night in Rock Springs." (Reader photo: Nicole Schmidtberger)

Mostly sunny in Wyoming on Sunday with a chance of afternoon rain in some areas. Partly cloudy to mostly clear overnight with a chance of rain in some locations. Highs from the low 70s to low 80s. Lows in the 40s and 50s.

 

Central:  

Casper:  Sunny today with a high near 84 and mostly clear overnight with a low near 54.

 

Lander:  Slight chance of rain after 2 p.m., otherwise sunny today with a high near 81 and mostly clear overnight with a slight chance of rain before 8 p.m. and a low near 54.

 

Glenrock:   Sunny today with a high near 84 and mostly clear overnight with a low near 56.

 

Southwest:  

Evanston  Sunny today with a high near 79 and mostly clear overnight with a low near 45.

 

Rock Springs:   Sunny today with a high near 81 and mostly clear overnight with a low near 51.

 

South Pass:   Sunny and breezy today with a high near 74 and wind gusts as high as 21 mph. Mostly clear overnight with a low near 51 and wind gusts as high as 20 mph.

 

Western Wyoming:  

Pinedale:   Slight chance of rain after 1 p.m., increasing clouds today with a high near 74 and mostly clear overnight with a low near 42.

 

Afton Slight chance of rain after 1 p.m., increasing clouds and breezy today with a high near 80 and wind gusts as high as 21 mph. Mostly clear overnight with a low near 43.

 

La Barge:  Slight chance of rain after 2 p.m., otherwise sunny today with a high near 77 and mostly clear overnight a low near 42.

 

Northwest: 

Dubois Chance of rain mainly after 3 p.m., otherwise mostly sunny and breezy today with a high near 73 and wind gusts as high as 24 mph. Partly cloudy and breezy overnight with a slight chance of rain before 8 p.m., a low near 44 and wind gusts as high as 28 mph.

 

Jackson:  Chance of rain mainly after 2 p.m., otherwise mostly sunny today with a high near 80 and mostly clear overnight with a slight chance of rain before 7 p.m. and a low near 42.

 

Old Faithful in Yellowstone National Park:  Slight chance of rain mainly after 1 p.m., otherwise mostly sunny today with a high near 72 and partly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 37.

 

Bighorn Basin:  

Thermopolis:  Slight chance of rain after 2 p.m., otherwise sunny today with a high near 82 and partly cloudy overnight with a slight chance of rain before 7 p.m. and a low near 55.

 

Cody:  Chance of rain mainly after 5 p.m., otherwise sunny today with a high near 79 and partly cloudy overnight with a slight chance of rain before 8 p.m. and a low near 54.

 

Lovell:  Slight chance of rain after 1 p.m., otherwise sunny today with a high near 83 and partly cloudy overnight with a slight chance of rain before 10 p.m. and a low near 54.

 

North Central:  

Buffalo:   Slight chance of rain after 1 p.m., otherwise sunny today with a high near 77 and mostly clear overnight with a slight chance of rain before 9 p.m. and a low near 57.

 

Sheridan:   Widespread fog before 9 a.m., sunny today with a high near 82 and partly cloudy overnight with a slight chance of rain before midnight, patchy fog after 3 a.m. and a low near 49.

 

Dayton:   Patchy fog before 9 a.m., chance of rain mainly after 3 p.m., otherwise mostly sunny today with a high near 81 and partly cloudy overnight with a chance of rain before midnight and a low near 53.

 

Northeast:  

Gillette:  Sunny today with a high near 81 and wind gusts as high as 18 mph. Mostly clear overnight with a low near 55 and wind gusts as high as 17 mph.

 

Newcastle:   Slight chance of rain after 3 p.m., otherwise sunny today with a high near 77 and mostly clear overnight with a chance of rain before midnight and a low near 56.

 

Sundance:  Chance of rain after noon, otherwise mostly sunny today with a high near 76 and mostly clear overnight with a low near 56.

 

Eastern Plains:  

Torrington:  Patchy fog before 10 a.m., slight chance of rain after noon, otherwise mostly sunny today with a high near 80 and mostly clear overnight with a low near 58.

 

Douglas:   Patchy fog before 10 a.m., otherwise sunny today with a high near 84 and mostly clear overnight with a low near 55.

 

Wright:  Gradually becoming sunny today with a high near 81 and wind gusts as high as 18 mph. Mostly clear overnight with a low near 54 and wind gusts as high as 18 mph.

 

Southeast:  

Cheyenne:   Patchy fog before 10 a.m., chance of rain after noon (some storms could be severe), otherwise mostly sunny today with a high near 76 and mostly clear overnight a low near 55.

 

Laramie:  Slight chance of rain after noon, otherwise mostly sunny today with a high near 77 and partly cloudy overnight with a low near 52.

 

Chugwater:  Patchy fog before 10 a.m., slight chance of rain after noon, otherwise sunny today with a high near 79 and mostly clear overnight with a low near 58.

 

South Central:  

Rawlins:   Sunny today with a high near 77 and mostly clear overnight a low near 54.

 

Encampment:   Mostly sunny today with a high near 77 and mostly clear overnight with a low near 50.

 

Wamsutter:   Sunny today with a high near 79 and mostly clear overnight a low near 50.

Authors

CK

Coy Knobel

Night Editor