Don Day's Wyoming Weather Forecast: Sunday, April 12, 2026

Mostly sunny in much of Wyoming on Sunday with a chance of rain in the west. Fire danger in the east. Partly to mostly cloudy overnight with chance for rain and snow in some locations. Highs from the mid 50s to upper 70s. Lows from the mid 20s to mid 40s.

CK
Coy Knobel

April 12, 20267 min read

Sheridan County
"BO is Enjoying a rest and the sunset at the base of the Bighorns in Big Horn, Wyoming, after checking cows.
"BO is Enjoying a rest and the sunset at the base of the Bighorns in Big Horn, Wyoming, after checking cows. (Reader photo: Jim Haskett)

Mostly sunny in much of Wyoming on Sunday with a chance of rain in the west. Fire danger in the east. Partly to mostly cloudy overnight with chance for rain and snow in some locations. Highs from the mid 50s to upper 70s. Lows from the mid 20s to mid 40s.

 

Central:  

Casper:  Sunny and breezy today with a high near 70 and wind gusts as high as 34 mph. Partly cloudy and breezy overnight with a low near 43 and wind gusts as high as 33 mph.

 

Lander:  Slight chance of rain after 3 p.m., otherwise mostly sunny and breezy today with a high near 67 and wind gusts as high as 33 mph. Partly cloudy and breezy overnight with a chance of rain mainly before midnight, a low near 35 and wind gusts as high as 31 mph.

 

Jeffrey City:  Slight chance of rain after 4 p.m., otherwise sunny and breezy today with a high near 65 and wind gusts as high as 39 mph. Partly cloudy and breezy overnight with a chance of rain and snow, a low near 34 and wind gusts as high as 39 mph.

 

Southwest:  

Evanston Chance of rain after noon, otherwise mostly sunny and breezy today with a high near 57 and wind gusts as high as 38 mph. Mostly cloudy overnight with a chance of rain and snow, a low near 29 and wind gusts as high as 34 mph.

 

Rock Springs:  Slight chance of rain after 4 p.m., otherwise mostly sunny and breezy today with a high near 62 and wind gusts as high as 33 mph. Mostly cloudy and breezy overnight with a slight chance of rain before midnight, a low near 32 and wind gusts as high as 30 mph.

 

Lyman:  Chance of rain after noon, increasing clouds today with a high near 60 and afternoon wind from 13-18 mph. Partly cloudy overnight with a slight chance of rain and snow, a low near 31 and wind from 7-17 mph.

 

Western Wyoming:  

Pinedale:  Chance of rain mainly after 1 p.m., otherwise mostly sunny and breezy today with a high near 56 and wind gusts as high as 30 mph. Mostly cloudy and breezy overnight with a slight chance of rain and snow before midnight, a low near 26 and wind gusts as high as 28 mph.

 

Afton Chance of rain, otherwise partly sunny and breezy today with a high near 57 and wind gusts as high as 26 mph. Rain and snow likely overnight with a low near 31 and wind gusts as high as 23 mph.

 

La Barge:  Chance of rain mainly after 4 p.m., otherwise mostly sunny and breezy today with a high near 59 and wind gusts as high as 34 mph. Partly cloudy and breezy overnight with a slight chance of rain before midnight, a low near 27 and wind gusts as high as 30 mph.

 

Northwest: 

Dubois Chance of rain, otherwise sunny and breezy today with a high near 55 and wind gusts as high as 28 mph. Partly cloudy and breezy overnight with a chance of rain and snow, a low near 31 and wind gusts as high as 26 mph.

 

Jackson:  Chance of rain, otherwise mostly sunny and breezy today with a high near 58 and wind gusts as high as 25 mph. Mostly cloudy overnight with rain and snow likely, a low near 32 and wind gusts as high as 24 mph.

 

Old Faithful in Yellowstone National Park:  Areas of fog before 9 a.m., snow and rain likely, otherwise mostly sunny today with a high near 50 and wind gusts as high as 23 mph. Mostly cloudy overnight with rain and snow likely, a low near 25 and wind gusts as high as 22 mph.

 

Bighorn Basin:  

Thermopolis:  Slight chance of rain after 4 p.m., otherwise sunny and breezy today with a high near 72 and wind gusts as high as 29 mph. Partly cloudy and breezy overnight with a chance of rain before midnight, a low near 37 and wind gusts as high as 28 mph.

 

Cody:  Chance of rain mainly after 2 p.m., otherwise mostly sunny today with a high near 67 and wind gusts as high as 23 mph. Partly cloudy overnight with a slight chance of rain before midnight, a low near 38 and wind gusts as high as 22 mph.

 

Powell:  Chance of rain, otherwise mostly sunny today with a high near 68 and wind gusts as high as 22 mph. Mostly cloudy overnight with a slight chance of rain before midnight and a low near 38.

 

North Central:  

Buffalo:  Mostly sunny today with a high near 68 and wind gusts as high as 20 mph. Mostly cloudy overnight with a slight chance of rain before midnight, a low near 41 and wind gusts as high as 20 mph.

 

Sheridan:  Chance of rain mainly after 5 p.m., otherwise mostly sunny today with a high near 68 and mostly cloudy overnight with a chance of rain before midnight and a low near 36.

 

Ranchester:  Chance of rain mainly after 5 p.m., otherwise sunny today with a high near 67 and mostly cloudy overnight with a chance of rain mainly before midnight and a low near 36.

 

Northeast:  

Gillette:  Red flag fire warning until 9 p.m. tonight. Mostly sunny today with a high near 71 and wind gusts as high as 25 mph. Partly cloudy overnight with a low near 45 and wind gusts as high as 24 mph.

 

Newcastle:  Red flag fire warning until 9 p.m. tonight. Sunny today with a high near 73 and wind gusts as high as 28 mph. Mostly cloudy overnight with a low near 45 and wind gusts as high as 24 mph.

 

Sundance:  Sunny today with a high near 67 and wind gusts as high as 29 mph. Mostly cloudy overnight with a low near 43 and wind gusts as high as 22 mph.

 

Eastern Plains:  

Torrington:  Red flag fire warning from noon today until Monday night. Sunny today with a high near 78 and partly cloudy overnight with a slight chance of rain before midnight and a low near 38.

 

Douglas:  Red flag fire warning from noon today until Monday night. Mostly sunny and breezy today with a high near 74 and wind gusts as high as 30 mph. Mostly clear overnight with a low near 34 and wind gusts as high as 25 mph.

 

Guernsey:  Red flag fire warning from noon today until Monday night. Sunny today with a high near 76 and partly cloudy overnight with a low near 39.

 

Southeast:  

Cheyenne:  Red flag fire warning from noon today until Monday night. Sunny today with a high near 69 and wind gusts as high as 25 mph. Partly cloudy overnight with a low near 38 and wind gusts as high as 25 mph.

 

Laramie:  Mostly sunny and breezy today with a high near 62 and wind gusts as high as 30 mph. Mostly clear and breezy overnight with a low near 34 and wind gusts as high as 30 mph.

 

Chugwater:  Red flag fire warning from noon today until Monday night. Mostly sunny and breezy today with a high near 72 and wind gusts as high as 30 mph. Partly cloudy overnight with a low near 39 and wind gusts as high as 25 mph.

 

South Central:  

Rawlins:  Sunny and windy today with a high near 61 and wind gusts as high as 45 mph. Partly cloudy and windy overnight with a slight chance of rain before midnight, a low near 35 and wind gusts as high as 45 mph.

 

Encampment:  Sunny and breezy today with a high near 60 and wind gusts as high as 40 mph. Partly cloudy and breezy overnight with a slight chance of rain and snow, a low near 34 and wind gusts as high as 35 mph.

 

Wamsutter:  Patchy fog before 7 a.m., mostly sunny and windy today with a high near 61 and wind gusts as high as 36 mph. Mostly cloudy and windy overnight with a low near 31 and wind gusts as high as 33 mph.

Authors

CK

Coy Knobel

Night Editor