Don Day Wyoming Weather Forecast: Monday, September 18, 2023

Generally sunny in most of Wyoming today with a slight chance of rain in a few areas. Highs expected in the 70s and 80s.

September 18, 20236 min read

Storm and partial rainbow at John Moulton Barn in Teton County on Sept 7, 2023
Storm and partial rainbow at John Moulton Barn in Teton County on Sept 7, 2023 (Photo credit: Peter Mangolds)
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Generally sunny in most of Wyoming today with a slight chance of rain in a few areas. Highs expected in the 70s and 80s.

Central:  

Casper:  Expect it to be sunny today with a high near 81 and partly cloudy overnight with a low around 53.  Winds could gust as high as 21 mph during the day.  

Riverton:   It should be sunny today with a high near 82 and partly cloudy overnight with the low around 49.  Winds could gust as high as 21 mph overnight.  

Glenrock Look for it to be sunny today with a high near 81 and partly cloudy overnight with a low near 50.  Winds could gust as high as 25 mph during the day.  

Southwest:  

Evanston There’s a slight chance of showers after noon today and before midnight tonight.  Otherwise, it should be partly sunny today with a high near 71 and partly cloudy overnight with a low near 43. 

Rock Springs:   Look for it to be mostly sunny today with a high near 75 and mostly cloudy overnight with a low near 46.  Winds could gust to 20 mph during the day and 22 mph overnight.

Lyman There’s a slight chance of rain after noon today, otherwise expect it to be partly sunny with a high near 74 and mostly cloudy overnight with a low near 45.

Western Wyoming:  

Pinedale:   Watch for areas of frost before 7 a.m., otherwise look for increasing clouds today with a high near 69 and it should be partly cloudy overnight with a low around 39.  

Alpine:  Look for it to be mostly sunny today with a high near 76 and partly cloudy overnight with a low around 43.  

Big Piney:  Expect widespread frost before 7 a.m., otherwise it should be mostly sunny today with a high near 72 and partly cloudyovernight with a low around 36.  Winds could gust as high as 22 mph during the day and 21 mph overnight.  

Northwest:  

Dubois:  Look for it to be sunny and breezy today with a high near 72 and partly cloudy and breezy overnight with a low near 42.  Winds could gust as high as 23 mph during the day and 22 mph overnight.  

Jackson:  Expect it to be sunny today with a high near 74 and partly cloudy overnight with a low near 40.  

Old Faithful in Yellowstone National Park:  There’s a slight chance of rain after 5 p.m. today and before 9 p.m. tonight.  Otherwise, it should be sunny today with a high near 67 and partly cloudyovernight with a low around 37.  Winds could gust as high as 21 mph during the day.  

Bighorn Basin:  

Thermopolis Expect it to be sunny today with a high near 83 and partly cloudy overnight with a low near 53.  

Cody: It should be sunny today with a high near 82 and partly cloudy and breezy overnight with a low near 54.  Winds could gust as high as 22 mph during the day and 23 mph overnight.

Worland:  Look for it to be sunny today with a high near 83 and partly cloudy overnight with a low near 49.

North Central:  

Buffalo:  Look for it to be sunny today with a high near 79 and partly cloudy overnight with a low near 53. 

Sheridan:  Expect it to be sunny today with a high near 85 and partly cloudy overnight with a low near 50.  

Big Horn:  It should be sunny today with a high near 83 and partly cloudy overnight with a low near 52.  

Northeast:  

Gillette:  It should be sunny today with a high near 84 and mostly clear overnight with a low near 49.  Winds could gust as high as 16 mph during the day.

Sundance:  Expect it to be sunny today with a high near 81 and mostly clear overnight with a low near 51.  

Upton:  Look for it to be sunny today with a high near 87 and mostly clear overnight with a low near 46.

Eastern Plains:  

Torrington:  Expect it to be sunny today with a high near 85 and partly cloudy overnight with a low near 48.

Douglas:  Look for it to be sunny today with a high near 83 and partly cloudy overnight with a low near 49.  Winds could gust as high as 25 mph during the day.  

Kaycee:  It should be sunny today with a high near 81 and partly cloudy overnight with a low near 49.  

Southeast:  

Cheyenne:  It should be mostly sunny today with a high near 79 and partly cloudy overnight with a low near 52.  Winds could gust as high as 25 mph overnight.  

Laramie:  Expect it to be mostly sunny today with a high near 73 and mostly cloudy overnight with a low near 44.  Winds could gust as high as 25 mph during the day.

Medicine Bow:  Look for it to be sunny and breezy today with a high near 74 and partly cloudy overnight with a low near 45.  Winds could gust as high as 30 mph during the day. 

South Central:  

Rawlins:  Look for it to be mostly sunny today with a high near 74 and partly cloudy overnight with a low near 47.  Winds could gust as high as 25 mph during the day and overnight.  

Encampment:  It should be mostly sunny today with a high near 72 and mostly cloudy overnight with a slight chance of showers until midnight and low near 44.  

Baggs:  Expect it to be mostly sunny today with a high near 77 and mostly cloudy overnight with a slight chance of rain until midnight and low near 41. 

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