Don Day's Wyoming Weather Forecast: Sunday, July 19, 2026

Sunny skies across Wyoming and hot on Sunday. Chance of afternoon and evening rain in some areas. Mostly clear skies overnight. Highs from the low 80s to near 100. Lows in the 50s and 60s.

CK
Coy Knobel

July 19, 20264 min read

Park County
"Thunderstorms finally cooled things down and left a rainbow on Carter Mountain above the South Fork valley, Park County."
"Thunderstorms finally cooled things down and left a rainbow on Carter Mountain above the South Fork valley, Park County." (Reader photo: Erik Wachob)

Sunny skies across Wyoming and hot on Sunday. Chance of afternoon and evening rain in some areas. Mostly clear skies overnight. Highs from the low 80s to near 100. Lows in the 50s and 60s.

 

Central:  

Casper:   Sunny and hot today with a high near 97 and mostly clear overnight with a low near 63.

 

Lander:   Sunny today with a high near 95 and mostly clear overnight with a low near 63.

 

Jeffrey City:  Mostly sunny today with a high near 91 and mostly clear overnight with a low near 58.

 

Southwest:  

Evanston Slight chance of rain after noon, otherwise mostly sunny today with a high near 86 and partly cloudy overnight with a low near 53.

 

Rock Springs:  Becoming sunny today with a high near 91 and partly cloudy overnight with a low near 59.

 

South Pass:  Slight chance of rain after 3 p.m., otherwise sunny today with a high near 84 and partly cloudy overnight with a low near 59.

 

Western Wyoming:  

Pinedale:   Sunny today with a high near 88 and mostly clear overnight with a low near 52.

 

Afton Sunny today with a high near 91 and mostly clear overnight with a low near 52.

 

La Barge:  Sunny today with a high near 87 and mostly clear overnight with a low near 52.

 

Northwest: 

Dubois Sunny today with a high near 85 and mostly clear overnight with a low near 52.

 

Jackson:  Sunny today with a high near 92 and mostly clear overnight with a low near 53.

 

Old Faithful in Yellowstone National Park:  Sunny today with a high near 84 and partly cloudy overnight with a low near 46.

 

Bighorn Basin:  

Thermopolis:  Sunny and hot today with a high near 99 and mostly clear overnight with a low near 67.

 

Cody:  Slight chance of rain after 1 p.m., otherwise sunny today with a high near 94 and mostly clear overnight with a slight chance of rain before 7 p.m. and a low near 64.

 

Greybull:  Sunny and hot today with a high near 100 and wind gusts as high as 20 mph. Partly cloudy overnight with a low near 64 and wind gusts as high as 20 mph.

 

North Central:  

Buffalo:   Slight chance of rain, otherwise sunny today with a high near 94 and partly cloudy overnight a low near 66.

 

Sheridan:  Slight chance of rain after 4 p.m., otherwise sunny and hot today with a high near 96 and partly cloudy overnight with a slight chance of rain before midnight and a low near 60.

 

Story:  Slight chance of rain, increasing clouds and hot today with a high near 91 and partly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 61.

 

Northeast:  

Gillette:  Heat advisory until 9 p.m. tonight. Slight chance of rain after noon, gradually becoming sunny today with a high near 98 and wind gusts as high as 21 mph. Gradually becoming clear overnight with a low near 64 and wind gusts as high as 20 mph.

 

Newcastle:   Heat advisory until 9 p.m. tonight. Mostly sunny today with a high near 98 and mostly clear overnight with a low near 69.

 

Sundance:   Gradually becoming sunny today with a high near 93 and wind gusts as high as 20 mph. Gradually becoming mostly clear overnight with a slight chance of rain before midnight and a low near 64.

 

Eastern Plains:  

Torrington:   Heat advisory from noon today until Monday evening. Sunny and hot today with a high near 100 and mostly clear overnight with a low near 67.

 

Wheatland:  Sunny and hot today with a high near 96 and partly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 67.

 

Wright:  Heat advisory until 9 p.m. tonight. Gradually becoming sunny today with a high near 97 and wind gusts as high as 20 mph. Partly cloudy overnight with a low near 64 and wind gusts as high as 21 mph.

 

Southeast:  

Cheyenne:   Slight chance of rain after 3 p.m., otherwise sunny and hot today with a high near 91 and mostly clear overnight with a low near 63.

 

Laramie:  Chance of rain mainly after 3 p.m., increasing clouds today with a high near 85 and partly cloudy overnight with a low near 60.

 

Pine Bluffs:   Sunny and hot today with a high near 95 and mostly clear overnight with a low near 65.

 

South Central:  

Rawlins:  Sunny today with a high near 87 and mostly clear overnight with a low near 62.

 

Encampment:  Chance of rain mainly after noon, otherwise mostly sunny today with a high near 84 and mostly clear overnight with a low near 60.

 

Baggs:   Slight chance of rain after 3 p.m., otherwise sunny and hot today with a high near 91 and partly cloudy overnight with a slight chance of rain before midnight and a low near 57.

Authors

CK

Coy Knobel

Night Editor