Don Day Wyoming Weather Forecast: Friday, September 15, 2023

Sunny in most of the state today. Highs should be in the 60s and 70s. Frost possible overnight in some areas of southern Wyoming.  

September 15, 20235 min read

Sunset in Evanston, Wyoming on September 9, 2023.
Sunset in Evanston, Wyoming on September 9, 2023. (Credit: Jon Turner)
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Sunny in most of the state today.  Highs should be in the 60s and 70s.  Frost possible overnight in some areas of southern Wyoming.  

Central:  

Casper:  Expect it to be sunny today with a high near 71 and clear overnight with a low around 44.  

Lander:   It should be sunny today with a high near 70 and clear overnight with the low around 45.  

Glenrock Look for it to be sunny today with a high near 72 and mostly clear overnight with a low near 42.  

Southwest:  

Evanston Expect it to be sunny today with a high near 67 and clear overnight with a low near 37. 

Green River:   Watch for patchy fog between 7 a.m. and 9 a.m. today.  Otherwise, look for it to be sunny today with a high near 69 and mostly clear overnight with a low near 43.

Kemmerer Watch for patchy fog between 7 a.m. and 8 a.m. today.  Otherwise, it should be sunny today with a high near 66 and clear overnight with a low near 37.

Western Wyoming:  

Pinedale:   Watch for patchy fog before 7 a.m. today. Otherwise, look for it to be sunny with a high near 66 and clear overnight with a low around 36.  

Afton:   It should be sunny today with a high near 70 and mostly clear overnight with a low around 39.  

La Barge:  Expect it to be sunny today with a high near 68 and clear overnight with a low around 36.  

Northwest:  

Dubois:  Look for it to be sunny today with a high near 67 and clear overnight with a low near 39.  

Jackson:  Expect it to be sunny today with a high near 71 and clear overnight with a low near 38.  

Old Faithful in Yellowstone National Park:  Watch for patchy fog between 8 a.m. and 9 a.m. today.  Otherwise, it should be sunny today with a high near 63 and clear overnight with a low around 33.  

Bighorn Basin:  

Thermopolis Expect it to be sunny today with a high near 75 and clear overnight with a low near 49.  

Cody: It should be sunny today with a high near 73 and clear overnight with a low near 51.  

Ten Sleep:  Look for it to be sunny today with a high near 73 and clear overnight with a low near 48.

North Central:  

Buffalo:  Look for it to be sunny today with a high near 69 and mostly clear overnight with a low near 48. 

Sheridan:  Expect it to be sunny today with a high near 79 and clear overnight with a low near 45.  

Dayton:  It should be sunny today with a high near 76 and mostly clear overnight with a low near 47.  

Northeast:  

Gillette:  It should be sunny today with a high near 72 and clear overnight with a low near 48.

Newcastle:  Expect it to be sunny today with a high near 72 and clear overnight with a low near 47.  Winds could gust to 16 mph during the day.

Upton:  Look for it to be sunny today with a high near 73 and clear overnight with a low near 44.

Eastern Plains:  

Torrington:  Expect it to be mostly sunny today with a high near 74 mostly clear overnight with a low near 41.

Lusk:  Look for it to be sunny today with a high near 69 and clear overnight with a low near 42.  

Wheatland:  It should be mostly sunny today with a high near 72 and mostly clear overnight with a low near 47.  

Southeast:  

Cheyenne:  There’s a slight chance of showers after noon today, otherwise it should be partly sunny with a high near 65 and mostly clear overnight with a low near 41.  

Laramie:  There’s a slight chance of rain after noon today, otherwise expect it to be partly sunny with a high near 62 and mostly clear overnight with a low near 33.  Watch for patchy frost after 3 a.m. overnight.    

Medicine Bow:  Look for it to be mostly sunny today with a high near 64 and mostly clear overnight with a low near 35.  Areas of frost are possible after 4 a.m. overnight.  

South Central:  

Rawlins:  Look for it to be mostly sunny today with a high near 67 and mostly clear overnight with a low near 41.  

Saratoga:  It should be mostly sunny today with a high near 68 and mostly clear overnight with a low near 32.  Watch for widespread frost mainly after 4 a.m. overnight.  

Baggs:  Expect it to be mostly sunny today with a high near 73 and mostly clear overnight with a low near 36.  Patchy frost is possible after 5 a.m. overnight.