National Weather Service Forecast for: Green River WY
Issued by: National Weather Service Riverton, WY
Updated: 11:01 pm MST Dec 22, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 33. East southeast wind 7 to 9 mph.
Mostly Cloudy

Tuesday

Tuesday: Partly sunny, with a high near 59. East southeast wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Partly Sunny

Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 36. Breezy, with a south wind 10 to 15 mph, with gusts as high as 21 mph.
Cloudy and
Breezy then
Mostly Cloudy
Wednesday

Wednesday: Partly sunny, with a high near 57. Breezy, with a south wind 13 to 22 mph, with gusts as high as 31 mph.
Partly Sunny
and Breezy

Wednesday
Night
Wednesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 40. Windy, with a south wind 21 to 25 mph, with gusts as high as 37 mph.
Chance
Showers and
Windy
Christmas
Day
Christmas Day: Showers likely, with thunderstorms also possible after 11am.  Partly sunny, with a high near 54. Breezy, with a west southwest wind 13 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.
Showers
Likely and
Breezy
Thursday
Night
Thursday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 31. South southwest wind around 7 mph.
Slight Chance
Showers then
Partly Cloudy
Friday

Friday: A chance of rain and snow showers before 11am, then a chance of snow showers.  Mostly sunny, with a high near 47. Chance of precipitation is 50%.
Chance
Rain/Snow
then Chance
Snow Showers
Friday
Night
Friday Night: A 30 percent chance of snow showers, mainly before 11pm.  Mostly cloudy, with a low around 24.
Chance Snow
Showers

Lo 33 °F Hi 59 °F Lo 36 °F Hi 57 °F Lo 40 °F Hi 54 °F Lo 31 °F Hi 47 °F Lo 24 °F

Hazardous Weather Outlook
 

Tonight
 
Mostly cloudy, with a low around 33. East southeast wind 7 to 9 mph.
Tuesday
 
Partly sunny, with a high near 59. East southeast wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
Mostly cloudy, with a low around 36. Breezy, with a south wind 10 to 15 mph, with gusts as high as 21 mph.
Wednesday
 
Partly sunny, with a high near 57. Breezy, with a south wind 13 to 22 mph, with gusts as high as 31 mph.
Wednesday Night
 
A 50 percent chance of showers. Mostly cloudy, with a low around 40. Windy, with a south wind 21 to 25 mph, with gusts as high as 37 mph.
Christmas Day
 
Showers likely, with thunderstorms also possible after 11am. Partly sunny, with a high near 54. Breezy, with a west southwest wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Thursday Night
 
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 31. South southwest wind around 7 mph.
Friday
 
A chance of rain and snow showers before 11am, then a chance of snow showers. Mostly sunny, with a high near 47. Chance of precipitation is 50%.
Friday Night
 
A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 24.
Saturday
 
Mostly sunny, with a high near 37. Breezy.
Saturday Night
 
Mostly clear, with a low around 14.
Sunday
 
Mostly sunny, with a high near 36.
Sunday Night
 
Partly cloudy, with a low around 16.
Monday
 
Partly sunny, with a high near 39.

 

Forecast from NOAA-NWS for Green River WY.