Don Day's Wyoming Weather Forecast: Sunday, September 28, 2025

Partly to mostly sunny in much of Wyoming on Sunday with some chances for rain, especially in the west. Highs from the mid 60s to the upper 80s and lows from the mid 30s to the upper 50s.

CK
Coy Knobel

September 28, 20254 min read

Park County
Beautiful day at the Double D Ranch, near Kirwin, WY.
Beautiful day at the Double D Ranch, near Kirwin, WY. (Reader photo: Suzanne Robinson, Greybull)

Partly to mostly sunny in much of Wyoming on Sunday with some chances for rain, especially in the west. Highs from the mid 60s to the upper 80s and lows from the mid 30s to the upper 50s.

 

Central:  

Casper:  Mostly sunny and breezy today with a high near 79 and wind gusts as high as 24 mph. Partly cloudy overnight with a low near 56.

Lander:  Slight chance of rain after noon, otherwise mostly sunny today with a high near 78 and partly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 51.

Glenrock:  Mostly sunny today with a high near 81 and partly cloudy overnight with a low near 52. 

Southwest:  

Evanston Rain likely, mostly cloudy today with a high near 66 and partly cloudy overnight with a chance of rain before midnight and a low near 42.

Rock Springs:  Partly sunny today with a high near 73 and wind gusts as high as 20 mph. Partly cloudy overnight with a low near 44.

Cokeville:  Chance of rain, otherwise partly sunny today with a high near 70 and partly cloudy overnight with a chance of rain before 10 p.m. and a low near 37.

Western Wyoming:  

Pinedale:  Chance of rain mainly after 1 p.m., otherwise partly sunny today with a high near 66 and partly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 40.

Afton:  Chance of rain, otherwise partly sunny today with a high near 69 and partly cloudy overnight with a chance of rain mainly before 10 p.m. and a low near 41. 

La Barge:  Chance of rain, otherwise partly sunny today with a high near 71 and mostly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 40.

Northwest: 

Dubois Chance of rain, otherwise partly sunny today with a high near 68 and mostly cloudy overnight with a chance of rain before 11 p.m. and a low near 43.

Jackson:  Chance of rain, otherwise partly sunny today with a high near 71 and mostly cloudy overnight with a chance of rain mainly before 9 p.m. and a low near 38.

Old Faithful in Yellowstone National Park:  Slight chance of rain after 2 p.m., otherwise partly sunny today with a high near 67 and mostly cloudy overnight with a chance of rain before 11 p.m. and a low near 35.

­­Bighorn Basin:  

Thermopolis Mostly sunny today with a high near 83 and partly cloudy overnight with a slight chance of rain before 8 p.m. and a low near 51.

Cody:  Slight chance of rain after 3 p.m., increasing clouds today with a high near 81 and mostly cloudy overnight with a slight chance of rain before 9 p.m. and a low near 56. 

Greybull:  Mostly sunny today with a high near 85 and mostly cloudy overnight with a low near 51.

North Central:  

Buffalo:  Mostly sunny today with a high near 81 and mostly cloudy overnight with a low near 59.

Sheridan:  Mostly sunny today with a high near 86 and mostly cloudy overnight with a low near 50.

Big Horn:  Mostly sunny today with a high near 85 and mostly cloudy overnight with a low near 53.

Northeast:  

Gillette:  Increasing clouds today with a high near 88 and wind gusts as high as 18 mph. Mostly cloudy overnight with a low near 54 and wind gusts as high as 16 mph.

Newcastle:  Increasing clouds today with a high near 85 and wind gusts as high as 16 mph. Mostly cloudy overnight with a low near 56. 

Sundance:  Increasing clouds today with a high near 83 and wind gusts as high as 21 mph. Partly cloudy overnight with a low near 56 and wind gusts as high as 16 mph.

Eastern Plains:  

Torrington:  Mostly sunny today with a high near 86 and partly cloudy overnight with a low near 52.

Lusk:  Mostly sunny today with a high near 81 and partly cloudy overnight with a low near 53.

Guernsey:  Mostly sunny today with a high near 85 and partly cloudy overnight with a low near 55.

Southeast:  

Cheyenne:  Mostly sunny today with a high near 75 and partly cloudy overnight with a low near 50.

Laramie:  Slight chance of rain after noon, otherwise mostly sunny today with a high near 71 and mostly cloudy overnight with a slight chance of rain before midnight and a low near 44.

Pine Bluffs:  Mostly sunny today with a high near 80 and partly cloudy overnight with a low near 49.

South Central:  

Rawlins:  Slight chance of rain after 3 p.m., otherwise mostly sunny today with a high near 70 and wind gusts as high as 25 mph. Partly cloudy overnight with a low near 46.

Saratoga:  Chance of rain, otherwise mostly sunny today with a high near 71 and partly cloudy overnight with a low near 43.

Baggs:  Mostly sunny today with a high near 72 and partly cloudy overnight with a low near 43.

Authors

CK

Coy Knobel

Night Editor