Don Day Wyoming Weather Forecast: Wednesday, September 20, 2023

Chance for afternoon and evening thunderstorms in most of the state today. Highs in the 60s and 70s with a few 80s in the eastern plains.  Snow possible in the mountains later this week.  

CK
Coy Knobel

September 20, 20238 min read

Archery hunting near Hog Park Reservoir on September 9, 2023.
Archery hunting near Hog Park Reservoir on September 9, 2023. (Credit: Kurt Hinaman, Laramie.)
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There’s a chance for afternoon and evening thunderstorms in most of the state today.  Highs in the 60s and 70s with a few 80s in the eastern plains.  Snow possible in the mountains later this week.  

Central:  

Casper:  There’s a chance of showers after 3 p.m. today and before midnight tonight.  Otherwise, it should be mostly sunny and breezy today with a high near 76 and mostly cloudy overnight with a low around 48.  Winds could gust as high as 21 mph during the day.  

Riverton:   There’s a slight chance of rain after 4 pm. today and a better chance overnight.  Otherwise, look for it to be mostly sunny today with a high near 78 and mostly cloudy and breezy overnight with the low around 45.  Winds could gust as high as 20 mph during the day and 24 mph overnight.  

Jeffrey City There’s a chance of showers after 1 p.m. today and overnight.  Otherwise, expect it to be mostly sunny and breezy today with a high near 73 and mostly cloudy and breezy overnight with a low near 42.  Winds could gust as high as 23 mph during the day and overnight.  

Southwest:  

Evanston There’s a chance of rain today and a slight chance overnight.  Otherwise, expect it to be partly sunny today with a high near 65 and partly cloudy overnight with a low near 42. 

Rock Springs:   There’s a chance of showers mainly after 3 p.m. today and a slight chance before 8 p.m. tonight.  Otherwise, look for it to be mostly sunny today with a high near 73 and mostly cloudy overnight with a low near 45.  Winds could gust to 20 mph during the day.

South Pass There’s a chance of rain in the afternoon today and mainly before 10 p.m. tonight, otherwise it should be partly sunny and breezy today with a high near 67 and mostly cloudy overnight with a low near 43.  Winds could gust as high as 23 mph during the day and 20 mph overnight.  

Western Wyoming:  

Pinedale:   There’s a chance of showers today and overnight.  Otherwise, look for it to be partly sunny with a high near 63 and mostly cloudy overnight with a low around 37.  

Alpine:  There’s a chance of rain today and it’s likely overnight. Otherwise, watch for increasing clouds today with a high near 71 and the overnight low should be around 40.  

Big Piney:  There’s a chance of showers today and overnight.  Otherwise, expect it to be partly sunny and breezy today with a high near 65 and mostly cloudy overnight with a low around 34.  Winds could gust as high as 21 mph during the day.  

Northwest:  

Dubois:  There’s a chance of showers in the afternoon and overnight.  Otherwise, expect increasing clouds today with a high near 66 and mostly cloudy skies overnight with a low near 37.  

Jackson:  Rain is possible today and likely overnight.  Otherwise, watch for increasing clouds today with a high near 70 and mostly cloudy skies overnight with a low near 33.  Winds could gust as high as 20 mph during the day.  

Old Faithful in Yellowstone National Park:  There’s a chance of showers mainly after 5 p.m. today and they are likely overnight.  Otherwise, look for it to be mostly sunny and breezy today with a high near 61 and mostly cloudy overnight with a low around 34.  Winds could gust as high as 23 mph during the day.  

Bighorn Basin:  

Thermopolis There’s a slight chance of rain after 5 p.m. today and a better chance overnight.  Otherwise, it should be mostly sunny and breezy today with a high near 79 and mostly cloudy overnight with a low near 47.  Winds could gust as high as 21 mph during the day and 20 mph overnight.    

Cody: There’s a chance of showers mainly after 5 p.m. today and overnight.  Otherwise, look for increasing clouds today with a high near 73 and mostly cloudy skies overnight with a low near 48.  

Ten Sleep:  There’s a slight chance of rain after 5 p.m. today and a better chance overnight.  Otherwise, expect it to be mostly sunny today with a high near 75 and mostly cloudy and breezy overnight with a low near 47.  Winds could gust as high as 21 mph overnight.  

North Central:  

Buffalo:  Expect it to be mostly sunny today with a high near 73 and mostly cloudy with a chance of rain mainly before 10 p.m. overnight and a low near 51. 

Sheridan:  It should be sunny today with a high near 77 and mostly cloudy with a chance of showers between 7 p.m. and 1 a.m. overnight and a low near 46.  

Dayton:  Look for it to be sunny today with a high near 73 and mostly cloudy overnight with a chance of showers before midnight and a low near 46.  

Northeast:  

Gillette:  Expect it to be mostly sunny today with a high near 76 and watch for increasing clouds overnight with a slight chance of showers before midnight and a low near 51.  Winds could gust as high as 18 mph during the day and 22 mph overnight.

Sundance:  Look for it to be mostly sunny today with a high near 73 and mostly cloudy overnight with a chance of rain and low near 51.  Winds could gust as high as 20 mph during the day.

Moorcroft:  It should be mostly sunny today with a high near 78 and mostly cloudy overnight with a chance of showers before midnight and a low near 51.  Winds could gust as high as 20 mph during the day and 18 mph overnight.

Eastern Plains:  

Torrington:  There’s a slight chance of rain after 4 p.m. today and a little better chance overnight.  Otherwise, look for it to be mostly sunny today with a high near 84 and mostly cloudy overnight with a low near 48.

Wheatland:  There’s a chance of rain after 3 p.m. today and before midnight tonight.  Otherwise, expect increasing clouds today with a high near 81 and mostly cloudy skies overnight with a low near 51.  

Midwest:  There’s a slight chance of showers after 5 p.m. today and a little better chance mainly before midnight tonight.  Otherwise, it should be mostly sunny today with a high near 77 and mostly cloudy overnight with a low near 47.  

Southeast:  

Cheyenne:  There’s a chance of showers mainly between 4 p.m. and 5 p.m. today and before midnight tonight.  Otherwise, expect increasing clouds today with a high near 76 and mostly cloudy skies overnight with a low near 47.  

Laramie:  There’s a chance of rain mainly after 1 p.m. today and before midnight tonight.  Otherwise, it should be mostly sunny today with a high near 71 and mostly cloudy overnight with a low near 43.  

Chugwater:  There’s a chance of showers after 3 p.m. today and before midnight tonight.  Otherwise, look for increasing clouds today with a high near 78 and mostly cloudy skies overnight with a low near 48.  

South Central:  

Rawlins:  There’s a slight chance of showers after 5 p.m. today and before midnight tonight.  Otherwise, it should be sunny today with a high near 73 and mostly cloudy overnight with a low near 46.  

Encampment:  There’s a chance of rain mainly between 2 p.m. and 3 p.m. today and a slight chance before midnight tonight.  Otherwise, expect it to be mostly sunny today with a high near 70 and mostly cloudy overnight with a low near 43.  

Hanna:  There’s a chance of showers mainly after 1 p.m. today and before midnight tonight.  Otherwise, look for it to be mostly sunny today with a high near 71 and mostly cloudy overnight with a low near 43. 

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CK

Coy Knobel

Night Editor