Don Day's Wyoming Weather Forecast: Thursday, August 27, 2026

Mostly sunny in much of Wyoming on Thursday with a chance of afternoon rain in some areas. Chance of rain in some parts of the state overnight. Highs from near 80 to mid 90s. Lows from the upper 40s to mid 60s.

CK
Coy Knobel

August 27, 20265 min read

Natrona County
Stormy sunset at Alcova Reservoir. Stormy two nights in a row and they were wild!
Stormy sunset at Alcova Reservoir. Stormy two nights in a row and they were wild! (Reader photo: Diane Maki)

Mostly sunny in much of Wyoming on Thursday with a chance of afternoon rain in some areas. Chance of rain in some parts of the state overnight. Highs from near 80 to mid 90s. Lows from the upper 40s to mid 60s.

 

Central:  

Casper:  Sunny today with a high near 92 and becoming mostly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 63.

 

Riverton:  Slight chance of rain after 5 p.m., otherwise sunny and breezy today with a high near 92 and wind gusts as high as 28 mph. Breezy, cloudy, becoming partly cloudy overnight with a slight chance of rain before 9 p.m., a low near 59 and wind gusts as high as 25 mph.

 

Jeffrey City:   Mostly sunny today with a high near 88 and mostly cloudy overnight with a low near 57.

 

Southwest:  

Evanston  Chance of rain after noon, otherwise mostly sunny today with a high near 84 and partly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 55.

 

Green River:   Increasing clouds and breezy today with a high near 89 and wind gusts as high as 29 mph. Partly cloudy and breezy overnight with a low near 57 and wind gusts as high as 22 mph.

 

Kemmerer:   Chance of rain mainly after 2 p.m., increasing clouds and breezy today with a high near 84 and wind gusts as high as 24 mph. Increasing clouds overnight with a slight chance of rain before 8 p.m. and a low near 54.

 

Western Wyoming:  

Pinedale:   Chance of rain mainly after 2 p.m., increasing clouds today with a high near 81 and breezy, gradually clearing overnight with a slight chance of rain before 10 p.m., a low near 50 and wind gusts as high as 23 mph.

 

Alpine Chance of rain mainly after 2 p.m., increasing clouds today with a high near 89 and increasing clouds overnight with a chance of rain and a low near 50.

 

Big Piney:  Slight chance of rain after 2 p.m., otherwise mostly sunny today with a high near 81 and partly cloudy overnight a low near 48 and wind gusts as high as 20 mph.

 

Northwest: 

Dubois Chance of rain mainly after 2 p.m., increasing clouds and breezy today with a high near 80 and wind gusts as high as 25 mph. Breezy, cloudy, gradually becoming partly cloudy overnight with a chance of rain, a low near 51 and wind gusts as high as 23 mph.

 

Jackson:  Chance of rain mainly after 1 p.m., increasing clouds today with a high near 87 and wind gusts as high as 20 mph. Mostly cloudy overnight with a chance of rain and a low near 49.

 

Old Faithful in Yellowstone National Park:  Chance of rain mainly after 2 p.m., otherwise mostly sunny today with a high near 79 and wind gusts as high as 20 mph. Mostly cloudy overnight with a chance of rain and a low near 43.

 

Bighorn Basin:  

Thermopolis:  Mostly sunny today with a high near 93 and breezy, gradually clearing overnight with a slight chance of rain before 10 p.m., a low near 62 and wind gusts as high as 23 mph.

 

Cody:  Slight chance of rain after noon, otherwise mostly sunny and breezy today with a high near 90 and wind gusts as high as 23 mph. Cloudy, gradually becoming partly cloudy overnight with a slight chance of rain before midnight and a low near 61.

 

Worland:  Sunny today with a high near 93 and mostly cloudy overnight with a low near 59.

 

North Central:  

Buffalo:   Mostly sunny today with a high near 89 and mostly cloudy and breezy overnight with a slight chance of rain before 9 p.m., a low near 65 and wind gusts as high as 21 mph.

 

Sheridan:   Mostly sunny and hot today with a high near 95 and mostly cloudy overnight with a slight chance of rain before 8 p.m. and a low near 59.

 

Clearmont:   Mostly sunny and hot today with a high near 93 and mostly cloudy overnight with a slight chance of rain before 11 p.m. and a low near 60.

 

Northeast:  

Gillette:  Mostly sunny today with a high near 91 and wind gusts as high as 20 mph. Mostly cloudy overnight with a slight chance of rain before midnight, a low near 63 and wind gusts as high as 26 mph.

 

Newcastle:   Mostly sunny today with a high near 88 and wind gusts as high as 16 mph. Increasing clouds overnight with a low near 65 and wind gusts as high as 21 mph.

 

Moorcroft:  Mostly sunny today with a high near 94 and wind gusts as high as 17 mph. Mostly cloudy overnight with a slight chance of rain before midnight, a low near 62 and wind gusts as high as 23 mph.

 

Eastern Plains:  

Torrington:  Sunny and hot today with a high near 90 and partly cloudy overnight with a low near 62.

 

Wheatland:   Sunny and hot today with a high near 90 and partly cloudy overnight with a low near 64.

 

Midwest:  Sunny today with a high near 91 and mostly cloudy overnight with a low near 63 and wind gusts as high as 20 mph.

 

Southeast:  

Cheyenne:   Slight chance of rain after noon, otherwise sunny today with a high near 84 and partly cloudy overnight with a low near 59.

 

Laramie:  Slight chance of rain after noon, otherwise mostly sunny today with a high near 80 and partly cloudy overnight with a low near 55.

 

Pine Bluffs:  Sunny today with a high near 86 and mostly clear overnight with a low near 58.

 

South Central:  

Rawlins:   Sunny today with a high near 83 and partly cloudy overnight with a low near 60.

 

Saratoga:   Sunny today with a high near 85 and partly cloudy overnight with a low near 54.

 

Baggs:   Sunny today with a high near 87 and partly cloudy overnight with a low near 54.

Authors

CK

Coy Knobel

Night Editor