Don Day's Wyoming Weather Forecast: Sunday, January 18, 2026

Mix of clouds and sun in Wyoming on Sunday with a chance of snow in the northeast. Breezy in some areas with gusts higher than 50 mph. Highs mainly in the 30s and low 40s. Lows in the single digits and teens.

CK
Coy Knobel

January 18, 20265 min read

Sweetwater County
A beautiful sunset this evening over the Wyoming Mountain Range from the Green River bridge area
A beautiful sunset this evening over the Wyoming Mountain Range from the Green River bridge area (Tom Tusing)

Mix of clouds and sun in Wyoming on Sunday with a chance of snow in the northeast. Breezy in some areas with gusts higher than 50 mph. Highs mainly in the 30s and low 40s. Lows in the single digits and teens.

Central:  

Casper:  Partly sunny today with a high near 37 and wind gusts as high as 20 mph. Mostly cloudy overnight with a slight chance of snow after 11 p.m. and a low near 15. 

Lander:  Increasing clouds today with a high near 39 and mostly cloudy overnight with a low near 13.

Jeffrey City:  Mostly sunny today with a high near 35 and mostly cloudy overnight with a low near 10.

Southwest:  

Evanston Sunny today with a high near 40 and mostly clear overnight with a low near 12.

Rock Springs:  Sunny today with a high near 40 and mostly clear overnight with a low near 13.

Cokeville:  Patchy fog before 11 a.m., otherwise sunny today with a high near 32 and mostly clear overnight with widespread fog mainly after 2 a.m. and a low near 4.

Western Wyoming:  

Pinedale:  Sunny today with a high near 34 and mostly clear overnight with a low near 6.

Afton:  Sunny today with a high near 32 and mostly clear overnight with widespread fog after 2 a.m. and a low near 7.

La Barge:  Sunny today with a high near 38 and mostly clear overnight with patchy fog after 4 a.m. and a low near 9.

Northwest: 

Dubois Sunny and breezy today with a high near 37 and wind gusts as high as 24 mph. Mostly clear overnight with a low near 16. 

Jackson:  Patchy fog before 9 a.m., otherwise sunny today with a high near 31 and mostly clear overnight with a low near 7.

Old Faithful in Yellowstone National Park:  Patchy fog before 1 p.m., otherwise mostly sunny today with a high near 28 and partly cloudy overnight with patchy then widespread fog before 10 p.m. and a low near 1.

Bighorn Basin:  

ThermopolisIncreasing clouds and breezy today with a high near 38 and wind gusts as high as 23 mph. Mostly cloudy overnight with a slight chance of snow after 11 p.m., patchy fog after 4 a.m. and a low near 12 

Cody:  Partly sunny and breezy today with a high near 35 and wind gusts as high as 23 mph. Gradually becoming mostly clear overnight with a low near 14.

Powell:  Mostly sunny and breezy today with a high near 37 and wind gusts as high as 31 mph. Partly cloudy overnight with a low near 14.

North Central:  

Buffalo:  Slight chance of snow before noon, otherwise mostly sunny and windy today with a high near 34 and wind gusts as high as 45 mph. Partly cloudy and blustery overnight with a low near 14 and wind gusts as high as 28 mph.

Sheridan:  Slight chance of snow before 2 p.m., mostly cloudy today with a high near 36 and wind gusts as high as 46 mph. Mostly cloudy overnight with a low near 12 and wind from 10-17 mph.

Dayton:  Slight chance of snow, areas of blowing snow after 11 a.m., mostly cloudy today with a high near 34 and wind gusts as high as 55 mph. Mostly cloudy overnight with a slight chance of snow before 11 p.m., a low near 13 and wind from 10-16 mph.

Northeast:  

Gillette:  Chance of snow mainly before 11 a.m., mostly cloudy and windy today with a high near 31 and wind gusts as high as 47 mph. Mostly cloudy overnight with a slight chance of snow, a low near 14 and wind gusts as high as 24 mph.

Newcastle:  Chance of snow mainly before 11 a.m., otherwise partly sunny and windy today with a high near 30 and wind gusts as high as 50 mph. Mostly cloudy overnight with a slight chance of snow, a low near 11 and wind gusts as high as 28 mph.

Sundance:  Chance of snow mainly before 11 a.m., mostly cloudy and blustery today with a high near 25 and wind gusts as high as 37 mph. Mostly cloudy overnight with a slight chance of snow, a low near 7 and wind gusts as high as 21 mph.

Eastern Plains:  

Torrington:  Mostly sunny and windy today with a high near 42 and wind gusts as high as 45 mph. Mostly cloudy overnight with a low near 13.

Douglas: Increasing clouds and breezy today with a high near 38 and wind gusts as high as 40 mph. Mostly cloudy overnight with a low near 11.

Guernsey:  Mostly sunny and windy today with a high near 40 and wind gusts as high as 40 mph. Mostly cloudy overnight with a low near 14.

Southeast:  

Cheyenne:  Increasing clouds and windy today with a high near 40 and wind gusts as high as 45 mph. Increasing clouds overnight with a chance of snow mainly after 11 p.m. and a low near 14. 

Laramie:  Increasing clouds and breezy today with a high near 35 and wind gusts as high as 35 mph. Mostly cloudy overnight with a chance of snow mainly after 11 p.m. and a low near 12.

Chugwater:  Increasing clouds and windy today with a high near 39 and wind gusts as high as 40 mph. Mostly cloudy overnight with a chance of snow after 11 p.m. and a low near 13. 

South Central:  

Rawlins:  Mostly sunny today with a high near 35 and gradually becoming partly cloudy overnight with a low near 15.                      

Saratoga:  Increasing clouds today with a high near 36 and mostly cloudy overnight with a low near 14.

Wamsutter:  Sunny today with a high near 35 and mostly cloudy overnight with a low near 12.

Authors

CK

Coy Knobel

Night Editor