National Weather Service Forecast for: Green River WY
Issued by: National Weather Service Riverton, WY
Updated: 10:47 pm MST Dec 4, 2025
 
Overnight

Overnight: Isolated snow showers.  Mostly cloudy, with a low around 25. West wind around 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.
Isolated Snow
Showers

Friday

Friday: A 20 percent chance of snow showers after 4pm.  Mostly cloudy, with a high near 37. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Breezy.
Mostly Cloudy
then Slight
Chance Snow
Showers
Friday
Night
Friday Night: A slight chance of snow showers before 10pm, then a chance of rain and snow showers.  Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 15 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.
Chance
Rain/Snow and
Breezy

Saturday

Saturday: A 20 percent chance of snow showers before 11am.  Mostly sunny, with a high near 39. Breezy, with a west wind 18 to 22 mph, with gusts as high as 33 mph.
Breezy.
Slight Chance
Snow Showers
then Mostly
Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 22. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.
Partly Cloudy
and Breezy

Sunday

Sunday: Mostly sunny, with a high near 38. Breezy, with a west wind 11 to 15 mph, with gusts as high as 23 mph.
Mostly Sunny
then Partly
Sunny and
Breezy
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 26. West wind around 11 mph, with gusts as high as 20 mph.
Mostly Cloudy


Monday

Monday: Partly sunny, with a high near 42. Breezy.
Partly Sunny
and Breezy

Monday
Night
Monday Night: Mostly cloudy, with a low around 27.
Mostly Cloudy


Lo 25 °F Hi 37 °F Lo 33 °F Hi 39 °F Lo 22 °F Hi 38 °F Lo 26 °F Hi 42 °F Lo 27 °F

Hazardous Weather Outlook
 

Overnight
 
Isolated snow showers. Mostly cloudy, with a low around 25. West wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday
 
A 20 percent chance of snow showers after 4pm. Mostly cloudy, with a high near 37. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
 
A slight chance of snow showers before 10pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
 
A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 39. Breezy, with a west wind 18 to 22 mph, with gusts as high as 33 mph.
Saturday Night
 
Partly cloudy, with a low around 22. Breezy, with a west wind 13 to 16 mph, with gusts as high as 25 mph.
Sunday
 
Mostly sunny, with a high near 38. Breezy, with a west wind 11 to 15 mph, with gusts as high as 23 mph.
Sunday Night
 
Mostly cloudy, with a low around 26. West wind around 11 mph, with gusts as high as 20 mph.
Monday
 
Partly sunny, with a high near 42. Breezy.
Monday Night
 
Mostly cloudy, with a low around 27.
Tuesday
 
Partly sunny, with a high near 47. Breezy.
Tuesday Night
 
A slight chance of rain and snow showers. Mostly cloudy, with a low around 35. Breezy.
Wednesday
 
A slight chance of rain and snow showers. Partly sunny, with a high near 49. Breezy.
Wednesday Night
 
Mostly cloudy, with a low around 31. Breezy.
Thursday
 
Mostly sunny, with a high near 46. Breezy.

 

Forecast from NOAA-NWS for Green River WY.