Don Day’s Wyoming Weather Forecast: Sunday, May 31, 2026

Chance of rain in parts of Wyoming on Sunday with some sun in the south. Breezy overnight with a chance of rain early. Highs from the mid 50s to near 80. Lows from the mid 20s to upper 40s.

Central:  

Casper:  Chance of rain, otherwise partly sunny and breezy today with a high near 71 and wind gusts as high as 34 mph. Partly cloudy and breezy overnight with a slight chance of rain before 8 p.m., a low near 43 and wind gusts as high as 31 mph.

Riverton:  Chance of rain, otherwise mostly sunny and breezy today with a high near 72 and wind gusts as high as 33 mph. Mostly clear and breezy overnight with a slight chance of rain before 7 p.m., a low near 41 and wind gusts as high as 25 mph.

Shoshoni:  Chance of rain, otherwise partly sunny and windy today with a high near 70 and wind gusts as high as 37 mph. Mostly clear and windy overnight with a slight chance of rain before 7 p.m., a low near 43 and wind gusts as high as 36 mph.

Southwest:  

Evanston:  Sunny today with a high near 61 and mostly clear overnight with a low near 33.

Green River:  Sunny and breezy today with a high near 66 and wind gusts as high as 28 mph. Mostly clear and breezy overnight with a low near 38 and wind gusts as high as 24 mph.

Kemmerer:  Breezy, gradually becoming sunny today with a high near 61 and wind gusts as high as 29 mph. Increasing clouds and breezy overnight with a low near 33 and wind gusts as high as 23 mph.

Western Wyoming:  

Pinedale:  Slight chance of rain, breezy, gradually becoming sunny today with a high near 59 and wind gusts as high as 28 mph. Mostly clear and blustery overnight with a low near 29 and wind gusts as high as 25 mph.

Alpine:  Chance of rain, gradually clearing today with a high near 64 and wind gusts as high as 20 mph. Mostly clear overnight with a low near 35.

Big Piney:  Breezy, gradually becoming sunny today with a high near 62 and wind gusts as high as 29 mph. Mostly clear and blustery overnight with a low near 27 and wind gusts as high as 25 mph.

Northwest: 

Dubois:  Chance of rain mainly after 1 p.m., otherwise mostly sunny and breezy today with a high near 57 and wind gusts as high as 37 mph. Mostly clear and windy overnight with a low near 34 and wind gusts as high as 40 mph.

Jackson:  Chance of rain, gradually becoming mostly sunny today with a high near 62 and wind gusts as high as 20 mph. Mostly clear overnight with a low near 33.

Old Faithful in Yellowstone National Park:  Rain likely today with a high near 50 and wind gusts as high as 24 mph. Gradually becoming mostly clear overnight with a chance of rain before 11 p.m., a low near 29 and wind gusts as high as 21 mph.

Bighorn Basin:  

Thermopolis:  Rain likely today with a high near 66 and mostly clear overnight with a slight chance of rain before 9 p.m. and a low near 43.

Cody:  Rain likely, cloudy and breezy today with a high near 63 and wind gusts as high as 24 mph. Gradually becoming mostly clear overnight with a chance of rain before 10 p.m. and a low near 43.

Ten Sleep:  Rain likely, breezy today with a high near 65 and wind gusts as high as 23 mph. Gradually becoming clear overnight with a slight chance of rain before 9 p.m., a low near 45 and wind gusts as high as 21 mph.

North Central:  

Buffalo:  Rain likely, breezy today with a high near 61 and wind gusts as high as 22 mph. Partly cloudy overnight with a slight chance of rain before 8 p.m., a low near 44 and wind gusts as high as 21 mph.

Sheridan:  Rain likely, mostly cloudy today with a high near 64 and wind from 16-21 mph. Gradually becoming mostly clear overnight with a slight chance of rain before 9 p.m., a low near 38 and wind from 11-16 mph.

Big Horn:  Rain likely today with a high near 62 and wind from 11-16 mph. Gradually becoming mostly clear overnight with a slight chance of rain before 9 p.m. and a low near 42.

Northeast:  

Gillette:  Rain likely today with a high near 63 and wind gusts as high as 26 mph. Partly cloudy overnight with a slight chance of rain before midnight, a low near 39 and wind gusts as high as 26 mph.

Newcastle:  Rain likely today with a high near 69 and wind gusts as high as 23 mph. Partly cloudy overnight with a chance of rain before midnight, a low near 43 and wind gusts as high as 23 mph.

Upton:  Rain likely today with a high near 67 and wind gusts as high as 22 mph. Partly cloudy overnight with a chance of rain before midnight, a low near 39 and wind gusts as high as 23 mph.

Eastern Plains:  

Torrington:  Sunny and breezy today with a high near 81 and wind gusts as high as 35 mph. Mostly clear and breezy overnight with a low near 48 and wind gusts as high as 30 mph.

Lusk:  Chance of rain after noon, otherwise mostly sunny and breezy today with a high near 71 and wind gusts as high as 30 mph. Partly cloudy and breezy overnight with a slight chance of rain before 9 p.m., a low near 40 and wind gusts as high as 30 mph.

Midwest:  Rain likely, otherwise partly sunny and breezy today with a high near 68 and wind gusts as high as 29 mph. Breezy, gradually becoming clear overnight with a slight chance of rain before 8 p.m., a low near 40 and wind gusts as high as 25 mph.

Southeast:  

Cheyenne:  Sunny and breezy today with a high near 75 and wind gusts as high as 40 mph. Mostly clear and breezy overnight with a low near 46 and wind gusts as high as 30 mph.

Laramie:  Sunny and windy today with a high near 67 and wind gusts as high as 45 mph. Mostly clear and breezy overnight with a low near 38 and wind gusts as high as 40 mph.

Medicine Bow:  Mostly sunny and windy today with a high near 68 and wind gusts as high as 50 mph. Mostly clear and windy overnight with a low near 37 and wind gusts as high as 45 mph.

South Central:  

Rawlins:  Mostly sunny and windy today with a high near 67 and wind gusts as high as 45 mph. Mostly clear and breezy overnight with a low near 40 and wind gusts as high as 40 mph.

Saratoga:  Mostly sunny and windy today with a high near 68 and wind gusts as high as 45 mph. Mostly clear and breezy overnight with a low near 38 and wind gusts as high as 35 mph.

Hanna:  Mostly sunny and windy today with a high near 66 and wind gusts as high as 50 mph. Mostly clear and windy overnight with a low near 38 and wind gusts as high as 40 mph.