Don Day's Wyoming Weather Forecast: Saturday, October 18, 2025

Becoming sunny in much of Wyoming on Saturday with a chance for morning rain and/or snow in some areas. Breezy in some locations. Highs in the 40s and low 50s and lows from the mid 20s to near 40.

CK
Coy Knobel

October 18, 20255 min read

I’ve never seen this before. The fog rolling into Cheyenne this morning made this cool arch over the house.
I’ve never seen this before. The fog rolling into Cheyenne this morning made this cool arch over the house. (Reader photo: Kristin Wood)

Becoming sunny in much of Wyoming on Saturday with a chance for morning rain and/or snow in some areas. Breezy in some locations. Highs in the 40s and low 50s and lows from the mid 20s to near 40.

Central:  

Casper:  Chance of rain and snow gradually ending after 8 a.m. and gradually clearing skies today with a high near 49 and wind gusts as high as 21 mph. Mostly clear and breezy overnight with a low near 38 and wind gusts as high as 29 mph. 

Lander:  Gradually becoming sunny today with a high near 51 and mostly clear overnight with a low near 35.

Jeffrey City:  Gradually clearing skies today with a high near 50 and wind gusts as high as 25 mph. Mostly clear and breezy overnight with a low near 34 and wind gusts as high as 41 mph.

Southwest:  

Evanston Patchy fog before 9 a.m., sunny today with a high near 53 and mostly clear overnight with a low near 30.

Rock Springs:  Sunny and breezy today with a high near 54 and wind gusts as high as 30 mph. Mostly clear overnight with a low near 31 and wind gusts as high as 24 mph.

Cokeville:  Patchy fog before 9 a.m., sunny today with a high near 54 and mostly clear overnight with a low near 27.

Western Wyoming:  

Pinedale:  Sunny today with a high near 48 and wind gusts as high as 24 mph. Mostly clear overnight with a low near 27.

Afton:  Patchy fog before 10 a.m., sunny today with a high near 50 and mostly clear overnight with a low near 33.

La Barge:  Sunny and breezy today with a high near 54 and wind gusts as high as 25 mph. Mostly clear overnight with a low near 27. 

Northwest: 

Dubois Slight chance of snow before 7 a.m., otherwise sunny and windy today with a high near 48 and wind gusts as high as 36 mph. Mostly clear and breezy overnight with a low near 35 and wind gusts as high as 36 mph.

Jackson:  Sunny today with a high near 51 and mostly clear overnight with a low near 29.

Old Faithful in Yellowstone National Park:  Patchy fog before 9 a.m., sunny today with a high near 42 and wind gusts as high as 22 mph. Partly cloudy overnight with a low near 27 and wind gusts as high as 25 mph.

­­Bighorn Basin:  

Thermopolis Slight chance of rain and snow gradually ending after 7 a.m., otherwise gradually clearing skies today with a high near 49 and mostly clear overnight with a low near 34.

Cody:  Slight chance of snow before 7 a.m., otherwise sunny today with a high near 51 and partly cloudy overnight with a low near 41. 

Greybull:  Slight chance of rain before 7 a.m., otherwise breezy, gradually becoming sunny today with a high near 48 and wind gusts as high as 25 mph. Mostly clear overnight with a low near 33. 

North Central:  

Buffalo:  Chance of snow mainly before 7 a.m., otherwise breezy, sunny today with a high near 45 and wind gusts as high as 28 mph. Mostly clear overnight with a low near 32.

Sheridan:  Chance of rain and snow mainly before 7 a.m., otherwise sunny today with a high near 52 and wind from 8-17 mph. Mostly clear overnight with a low near 27.

Big Horn:  Chance of snow mainly before 7 a.m., otherwise mostly sunny today with a high near 50 and wind from 8-18 mph. Mostly clear overnight with a low near 31.

Northeast:  

Gillette:  Breezy, gradually becoming sunny today with a high near 48 and wind gusts as high as 30 mph. Mostly clear overnight with a low near 31 and wind gusts as high as 20 mph. 

Newcastle:  Slight chance of rain and snow before 9 a.m., otherwise breezy, gradually becoming sunny today with a high near 48 and wind gusts as high as 33 mph. Mostly clear overnight with a low near 28 and wind gusts as high as 18 mph.

Sundance:  Chance of rain and snow before noon, otherwise gradually becoming sunny today with a high near 44 and wind gusts as high as 28 mph. Mostly clear overnight with a low near 28 and wind gusts as high as 20 mph.

Eastern Plains:  

Torrington:  Slight chance of rain before 9 a.m., breezy, gradually clearing skies today with a high near 53 and wind gusts as high as 30 mph. Mostly clear overnight with widespread frost after 11 p.m. and a low near 29.

Douglas:  Chance of rain and snow gradually ending after 7 a.m., breezy, gradually clearing skies today with a high near 48 and wind gusts as high as 30 mph. Mostly clear overnight with widespread frost after 9 p.m. and a low near 28. 

Guernsey:  Chance of rain and snow before 10 a.m., breezy, gradually becoming sunny today with a high near 51 and wind gusts as high as 30 mph. Mostly clear overnight with widespread frost after midnight and a low near 33.

Southeast:  

Cheyenne:  Slight chance of rain and snow gradually ending after 11 a.m., breezy, gradually becoming sunny today with a high near 48 and wind gusts as high as 40 mph. Mostly clear overnight with a low near 32 and wind gusts as high as 25 mph.

Laramie:  Slight chance of snow before noon, windy, gradually clearing skies today with a high near 45 and wind gusts as high as 45 mph. Mostly clear and breezy overnight with a low near 33 and wind gusts as high as 30 mph.

Medicine Bow:  Chance of snow before 10 a.m., breezy, gradually becoming sunny today with a high near 47 and wind gusts as high as 40 mph. Mostly clear and breezy overnight with a low near 35 and wind gusts as high as 40 mph.

South Central:  

Rawlins:  Windy, gradually becoming sunny today with a high near 47 and wind gusts as high as 45 mph.  Mostly clear and breezy overnight with a low near 36 and wind gusts as high as 40 mph.

Saratoga:  Breezy, gradually becoming sunny today with a high near 48 and wind gusts as high as 40 mph.  Mostly clear overnight with a low near 32.

Hanna:  Slight chance of snow before 11 a.m., breezy, gradually becoming sunny today with a high near 45 and wind gusts as high as 40 mph.  Mostly clear and breezy overnight with a low near 34 and wind gusts as high as 40 mph.

Authors

CK

Coy Knobel

Night Editor