Don Day's Wyoming Weather Forecast: Monday, August 18, 2025

Sunny in Wyoming on Monday with a slight chance for afternoon rain in some areas. Highs from the upper 70s to the mid 90s and lows from the low 40s to the low 60s.

CK
Coy Knobel

August 18, 20254 min read

"Fire North of Meeteetse near intersection of Hwy 120 & Lower Greybull River Road."
"Fire North of Meeteetse near intersection of Hwy 120 & Lower Greybull River Road." (Reader photo: Floyd Tillery)
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Sunny in Wyoming on Monday with a slight chance for afternoon rain in some areas. Highs from the upper 70s to the mid 90s and lows from the low 40s to the low 60s.

 

Central:  

Casper:  Sunny today with a high near 90 and wind gusts as high as 20 mph. Mostly clear overnight with a low near 56.

 

Riverton:  Sunny today with a high near 92 and mostly clear overnight with a low near 54.

 

Shoshoni:  Sunny today with a high near 92 and mostly clear overnight with a low near 57.

 

Southwest:  

Evanston Sunny today with a high near 83 and mostly clear overnight with a low near 46.

 

Green River:  Sunny today with a high near 85 and mostly clear overnight with a low near 53.

 

South Pass:  Sunny today with a high near 80 and wind gusts as high as 22 mph. Mostly clear overnight with a low near 55.

 

Western Wyoming:  

Pinedale:  Sunny today with a high near 79 and mostly clear overnight with a low near 43.

 

Alpine:  Sunny today with a high near 89 and mostly clear overnight with a low near 48.

 

Big Piney:  Sunny today with a high near 81 and mostly clear overnight with a low near 41.

 

Northwest: 

Dubois Slight chance of rain after 3 p.m., otherwise sunny today with a high near 78 and wind gusts as high as 20 mph. Mostly clear overnight with a low near 48.

 

Jackson:  Sunny today with a high near 84 and mostly clear overnight with a low near 45.

 

Old Faithful in Yellowstone National Park:  Sunny today with a high near 76 and mostly clear overnight with a low near 41.

 

­­Bighorn Basin:  

Thermopolis Sunny today with a high near 92 and mostly clear overnight with a low near 59.

 

Cody:  Slight chance of rain after 2 p.m., otherwise sunny today with a high near 86 and partly cloudy overnight with a low near 59.

 

Worland:  Sunny today with a high near 90 and mostly clear overnight with a low near 55.

 

North Central:  

Buffalo:  Slight chance of rain after 3 p.m., otherwise sunny today with a high near 84 and mostly clear overnight with a low near 64.

 

Sheridan:  Sunny and hot today with a high near 90 and mostly clear overnight with a low near 57.

 

Story:  Gradually becoming sunny today with a high near 85 and mostly clear overnight with areas of smoke after 3 a.m. and a low near 61.

 

Northeast:  

Gillette:  Gradually becoming sunny today with a high near 88 and mostly clear overnight with a low near 61.

 

Newcastle:  Sunny today with a high near 88 and mostly clear overnight with a low near 61.

 

Hulett:  Slight chance of rain after noon, otherwise sunny today with a high near 87 and mostly clear overnight with a low near 60.

 

Eastern Plains:  

Torrington:  Slight chance of rain after noon, otherwise sunny and hot today with a high near 96 and mostly clear overnight with a low near 59.

 

Wheatland:  Slight chance of rain after noon, otherwise sunny and hot today with a high near 93 and mostly clear overnight with a low near 60.

 

Kaycee:  Sunny today with a high near 89 and mostly clear overnight with a low near 59.

 

Southeast:  

Cheyenne:  Slight chance of rain after noon, otherwise sunny today with a high near 87 and mostly clear overnight with a low near 57.

 

Laramie:  Slight chance of rain after 3 p.m., otherwise sunny today with a high near 84 and mostly clear overnight with a low near 51.

 

Chugwater:  Slight chance of rain after noon, otherwise sunny and hot today with a high near 90 and mostly clear overnight with a low near 58.

 

South Central:  

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

 

Encampment:  Sunny today with a high near 83 and mostly clear overnight with a low near 51.

 

Wamsutter:  Sunny today with a high near 82 and mostly clear overnight with a low near 48.

 

Authors

CK

Coy Knobel

Night Editor