Don Day's Wyoming Weather Forecast: Sunday, September 6, 2026

Sunny in parts of Wyoming on Sunday, increasing clouds, a chance of rain, breezy in other areas. Chance of rain overnight. Highs from the mid 70s to mid 90s. Lows from the low 40s to mid 60s.

CK
Coy Knobel

September 06, 20265 min read

Big Horn
This may not be a Wyoming sunrise, but it is a Wyoming moonrise eclipse from the neighbors barn in Big Horn.
This may not be a Wyoming sunrise, but it is a Wyoming moonrise eclipse from the neighbors barn in Big Horn. (Reader photo: Steven Mohns)

Sunny in parts of Wyoming on Sunday, increasing clouds, a chance of rain, breezy in other areas. Chance of rain overnight. Highs from the mid 70s to mid 90s. Lows from the low 40s to mid 60s.

 

Central:  

Casper:  Sunny today with a high near 91 and wind gusts as high as 24 mph. Mostly cloudy and breezy overnight with a low near 64 and wind gusts as high as 36 mph.

 

Riverton:  Increasing clouds and breezy today with a high near 89 and wind gusts as high as 29 mph. Breezy, cloudy, becoming partly cloudy overnight with a chance of rain mainly after 7 p.m., a low near 60 and wind gusts as high as 34 mph.

 

Glenrock:   Sunny and hot today with a high near 92 and mostly cloudy overnight with a slight chance of rain and a low near 64.

 

Southwest:  

Evanston  Chance of rain after noon, increasing clouds today with a high near 76 and wind gusts as high as 30 mph. Cloudy, becoming partly cloudy overnight with a chance of rain before midnight, a low near 49 and wind from 14-16 mph.

 

Green River:   Rain likely, increasing clouds and breezy today with a high near 83 and wind gusts as high as 29 mph. Breezy overnight with rain likely, a low near 53 and wind gusts as high as 29 mph.

 

Cokeville:   Chance of rain, increasing clouds today with a high near 79 and wind gusts as high as 23 mph. Mostly cloudy overnight with a chance of rain, a low near 43 and wind gusts as high as 24 mph.

 

Western Wyoming:  

Pinedale:   Chance of rain, increasing clouds and breezy today with a high near 76 and wind gusts as high as 26 mph. Rain likely overnight with a low near 45 and wind gusts as high as 23 mph.

 

Alpine Slight chance of rain after 4 p.m., increasing clouds today with a high near 81 and wind gusts as high as 20 mph. Rain likely overnight with a low near 46.

 

Big Piney:   Chance of rain, increasing clouds and breezy today with a high near 76 and wind gusts as high as 29 mph. Cloudy and breezy overnight with rain likely, a low near 45 and wind gusts as high as 25 mph.

 

Northwest: 

Dubois  Slight chance of rain after 5 p.m., increasing clouds today with a high near 75 and wind gusts as high as 22 mph. Rain likely overnight with a low near 46 and wind gusts as high as 20 mph.

 

Jackson:  Slight chance of rain after 4 p.m., increasing clouds today with a high near 80 and wind gusts as high as 24 mph. Rain likely overnight with a low near 45.

 

Old Faithful in Yellowstone National Park:  Increasing clouds today with a high near 72 and wind gusts as high as 22 mph. Rain near certain overnight with patchy fog after 1 a.m. and a low near 39.

 

Bighorn Basin:  

Thermopolis:   Increasing clouds today with a high near 90 and wind gusts as high as 21 mph. Breezy, cloudy, gradually becoming partly cloudy overnight with a chance of rain, a low near 61 and wind gusts as high as 30 mph.

 

Cody:  Increasing clouds today with a high near 86 and wind gusts as high as 21 mph. Mostly cloudy overnight with a chance of rain and a low near 56.

 

Worland:  Increasing clouds today with a high near 91 and wind gusts as high as 20 mph. Breezy, cloudy, gradually becoming partly cloudy overnight with a chance of rain, a low near 61 and wind gusts as high as 29 mph.

 

North Central:  

Buffalo:   Increasing clouds today with a high near 89 and wind gusts as high as 20 mph. Mostly cloudy and breezy overnight with a chance of rain, a low near 66 and wind gusts as high as 37 mph.

 

Sheridan:   Sunny and hot today with a high near 90 and mostly cloudy overnight with a chance of rain and a low near 57.

 

Clearmont:   Sunny and hot today with a high near 93 and mostly cloudy overnight with a slight chance of rain after 11 p.m. and a low near 62.

 

Northeast:  

Gillette:  Sunny today with a high near 93 and wind gusts as high as 25 mph. Increasing clouds overnight with a chance of rain mainly after midnight, a low near 66 and wind gusts as high as 28 mph.

 

Newcastle:   Sunny today with a high near 92 and wind gusts as high as 17 mph. Partly cloudy overnight with a chance of rain, a low near 66 and wind gusts as high as 20 mph.

 

Hulett:  Sunny today with a high near 96 and wind gusts as high as 16 mph. Increasing clouds overnight with a chance of rain mainly after midnight, a low near 66 and wind gusts as high as 17 mph.

 

Eastern Plains:  

Torrington:  Slight chance after 3 p.m., otherwise sunny and hot today with a high near 93 and mostly cloudy overnight with a chance of rain and a low near 64.

 

Douglas:   Sunny and hot today with a high near 92 and mostly cloudy overnight with a slight chance of rain and a low near 63.

 

Kaycee:  Sunny and breezy today with a high near 92 and wind gusts as high as 23 mph. Mostly cloudy and breezy overnight with a chance of rain, a low near 63 and wind gusts as high as 33 mph.

 

Southeast:  

Cheyenne:   Slight chance after noon, otherwise sunny today with a high near 86 and partly cloudy overnight with a chance of rain before midnight and a low near 61.

 

Laramie:  Mostly sunny today with a high near 83 and mostly cloudy overnight with a slight chance of rain before midnight and a low near 57.

 

Chugwater:  Slight chance after noon, otherwise mostly sunny and hot today with a high near 90 and mostly cloudy overnight with a slight chance of rain and a low near 65.

 

South Central:  

Rawlins:   Mostly sunny today with a high near 82 and mostly cloudy overnight with a chance of rain, a low near 58 and wind gusts as high as 25 mph.

 

Saratoga:   Mostly sunny today with a high near 85 and mostly cloudy overnight with a slight chance of rain after midnight and a low near 56.

 

Wamsutter:   Increasing clouds and breezy today with a high near 80 and wind gusts as high as 24 mph. Mostly cloudy and breezy overnight with a chance of rain, a low near 52 and wind gusts as high as 23 mph.

Authors

CK

Coy Knobel

Night Editor