Don Day Wyoming Weather Forecast: Thursday, September 21, 2023

Chance for rain in much of Wyoming today and tonight. Highs mostly in the 60s and 70s. Cooling trend with more showers and thunderstorms, mountain snow expected Friday and Saturday.  

CK
Coy Knobel

September 21, 20238 min read

Mist over Encampment River in Riverside, Wyoming on September 15, 2023
Mist over Encampment River in Riverside, Wyoming on September 15, 2023 (Credit: Robin Reinhardt)
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Chance for rain in much of Wyoming today and tonight. Highs mostly in the 60s and 70s. Cooling trend with more showers and thunderstorms, mountain snow expected Friday and Saturday.  

Central:  

Casper:  There’s a chance of showers mainly between 1 p.m. and 3 p.m. today and overnight.  Otherwise, expect it to be partly sunny and breezy today with a high near 75 and partly cloudy overnight with a low around 46.  Winds could blow from 5-15 mph during the day.  

Lander:   There’s a chance of rain after 3 pm. today and overnight.  Otherwise, it should be sunny today with a high near 72 and partly cloudy and breezy overnight with the low around 43.  Winds could gust as high as 24 mph overnight.  

Glenrock There’s a slight chance of showers after 2 p.m. today and a little better chance overnight.  Otherwise, look for it to be partly sunny today with a high near 77 and partly cloudy overnight with a low near 45.  

Southwest:  

Evanston Rain is likely after noon today and overnight.  Look for increasing clouds today with a high near 62 and a low near 38 overnight. 

Green River:   There’s a slight chance of showers after 5 p.m. today and a better chance overnight.  Otherwise, it should be sunny and breezy today with a high near 70 and watch for increasing clouds and breezy conditions overnight with a low near 41.  Winds could gust to 26 mph during the day and overnight.

Cokeville Rain is likely today and overnight.  Expect increasing clouds and it to be breezy today with a high near 62 and the low overnight should be near 31.  Winds could gust as high as 25 mph during the day.  

Western Wyoming:  

Pinedale:   There’s a chance of showers today and they are likely overnight.  Otherwise, expect it to be partly sunny and breezy today with a high near 63 and mostly cloudy and breezy overnight with a low around 34.  Winds could gust as high as 22 mph during the day and 20 mph overnight.

Afton:  Rain is likely today and overnight. Otherwise, it should be partly sunny today with a high near 60 and watch for patchy fog between 4 a.m. and 5 a.m. with a low overnight around 35.  

La Barge:  There’s a chance of showers today and they are likely overnight.  Otherwise, look for it to be mostly sunny and breezy today with a high near 63 and mostly cloudy overnight with a low around 34.  Winds could gust as high as 23 mph during the day and 20 mph overnight.  

Northwest:  

Dubois:  Showers are likely today and overnight.  Look for increasing clouds and breezy conditions today with a high near 63 and the low overnight near 38.  Winds could gust to 22 mph during the day.  

Jackson:  Snow in the morning then rain is likely today and showers are likely overnight.  It should be breezy today with a high near 63 and the low overnight should be near 35.  Winds could blow 15-20 mph during the day.  

Old Faithful in Yellowstone National Park:  Showers are likely today and overnight.  The high today should be near 53 and the lowovernight around 31.  

Bighorn Basin:  

Thermopolis There’s a 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 75 and mostly cloudy and breezy overnight with a low near 48.  Winds could gust as high as 22 mph during the day and overnight.    

Cody: There’s a slight chance of showers today and they are likely overnight.  Otherwise, expect it to be mostly sunny and breezy today with a high near 66 and mostly cloudy and breezy overnight with a low near 48. Winds could gust to 21 mph during the day and 24 mph overnight. 

Powell:  There’s a chance of rain after 5 p.m. today and it’s likely overnight.  Otherwise, look for it to be mostly sunny and breezy today with a high near 71 and mostly cloudy and windy overnight with a low near 46.  Winds could gust as high as 30 mph during the day and 38 mph overnight.  

North Central:  

Buffalo:  There’s a chance of showers mainly after 5 p.m. today and overnight.  Otherwise, look for it to be mostly sunny and breezy today with a high near 72 and mostly clear, becoming mostly cloudy overnight with a low near 49.  Winds could gust as high as 24 mph during the day.

Sheridan:  Watch for areas of fog before 9 a.m. today and there’s a slight chance of showers after noon and a better chance overnight with patchy fog after 9 p.m.  Otherwise, expect it to be partly sunny today with a high near 72 and mostly cloudy overnight and a low near 48.  

Clearmont:  Look for areas of fog before 9 a.m. today and there’s a slight chance of showers after noon and a better chance overnight with patchy fog after midnight.  Otherwise, it should be mostly sunny today with a high near 75 and mostly cloudy overnight and a low near 49.  

Northeast:  

Gillette:  There’s a slight chance of showers after noon today and a better chance overnight.  Otherwise, it should be mostly cloudy, becoming sunny today with a high near 75 and look for increasing clouds overnight with and a low near 50.  Winds could gust as high as 18 mph during the day and overnight.

Newcastle:  There’s a chance of rain mainly after noon today and a better chance overnight.  Otherwise, expect it to be mostly cloudy, becoming sunny today with a high near 76 and partly cloudy overnight with a low near 50.  Winds could gust as high as 21 mph during the day and 20 mph overnight.

Upton:  There’s a slight chance of showers after noon today and a better chance overnight.  Otherwise, look for it to be mostly cloudy, becoming sunny today with a high near 78 and partly cloudy overnight with and a low near 48.  Winds could gust as high as 22 mph during the day and 17 mph overnight.

Eastern Plains:  

Torrington:  There’s a chance of rain today and a slight chance before midnight tonight.  Otherwise, it should be mostly cloudy then gradually clear with a high near 81 today and be partly cloudy overnight with a low near 48.

Douglas:  There’s a chance of rain after 2 p.m. today and overnight.  Otherwise, look for it to be mostly sunny today with a high near 79 and partly cloudy overnight with a low near 46.  

Wright:  There’s a slight chance of showers after noon today and a better chance overnight.  Otherwise, expect it to gradually become sunny today with a high near 77 and be mostly cloudy overnight with a low near 49.  Winds could gust to 16 mph during the day and 20 mph overnight.  

Southeast:  

Cheyenne:  There’s a slight chance of showers after 3 p.m. today, otherwise look for it to gradually become sunny today with a high near 75 and be partly cloudy overnight with a low near 45.  

Laramie:  Expect it to gradually become sunny today with a high near 70 and be mostly clear overnight with a low near 40.  

Medicine Bow:  There’s a slight chance of showers after 2 p.m. today and a little better chance overnight.  Otherwise, it should be partly sunny today with a high near 71 and partly cloudy overnight with a low near 38.  

South Central:  

Rawlins:  Look for it to be mostly sunny today with a high near 72 and partly cloudy overnight with a chance of showers mainly after midnight and a low near 43.  

Saratoga:  It should be mostly sunny today with a high near 71 and mostly clear overnight with a low near 39.  

Baggs:  Expect it to be mostly sunny and breezy today with a high near 74 and partly cloudy overnight with a slight chance of showers after midnight and a low near 39.  Winds could blow from 15-20 mph during the day. 

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CK

Coy Knobel

Night Editor