National Weather Service Forecast for: Green River WY
Issued by: National Weather Service Riverton, WY
Updated: 10:31 pm MST Dec 17, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 21. Blustery, with a west northwest wind 16 to 24 mph, with gusts as high as 37 mph.
Partly Cloudy
and Blustery


Thursday

Thursday: Partly sunny, with a high near 42. Breezy, with a west wind 9 to 15 mph, with gusts as high as 22 mph.
Mostly Sunny
then Mostly
Cloudy and
Breezy

Thursday
Night
Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Southwest wind around 14 mph, with gusts as high as 21 mph.
Decreasing
Clouds


Friday

Friday: Mostly sunny, with a high near 56. Windy, with a west wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.
Mostly Sunny
and Windy


Friday
Night
Friday Night: Rain showers likely before 2am, then rain and snow showers likely.  Mostly cloudy, with a low around 32. Windy, with a west wind 20 to 26 mph, with gusts as high as 39 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Showers
Likely and
Windy then
Rain/Snow
Likely and
Breezy
Saturday

Saturday: A chance of rain and snow showers before 11am, then a slight chance of snow showers.  Partly sunny, with a high near 43. Breezy, with a west wind 15 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 40%.
Breezy.
Chance
Rain/Snow
then Slight
Chance Snow
Showers
Saturday
Night
Saturday Night: Mostly cloudy, with a low around 28. West wind 5 to 9 mph becoming south in the evening.
Mostly Cloudy


Sunday

Sunday: A chance of rain and snow showers, mainly after 11am.  Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Chance
Rain/Snow


Sunday
Night
Sunday Night: A 20 percent chance of showers before 11pm.  Mostly cloudy, with a low around 34.
Slight Chance
Showers then
Mostly Cloudy

Lo 21 °F Hi 42 °F Lo 33 °F Hi 56 °F Lo 32 °F Hi 43 °F Lo 28 °F Hi 48 °F Lo 34 °F

Hazardous Weather Outlook
 

Tonight
 
Partly cloudy, with a low around 21. Blustery, with a west northwest wind 16 to 24 mph, with gusts as high as 37 mph.
Thursday
 
Partly sunny, with a high near 42. Breezy, with a west wind 9 to 15 mph, with gusts as high as 22 mph.
Thursday Night
 
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. Southwest wind around 14 mph, with gusts as high as 21 mph.
Friday
 
Mostly sunny, with a high near 56. Windy, with a west wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
 
Rain showers likely before 2am, then rain and snow showers likely. Mostly cloudy, with a low around 32. Windy, with a west wind 20 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
 
A chance of rain and snow showers before 11am, then a slight chance of snow showers. Partly sunny, with a high near 43. Breezy, with a west wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Saturday Night
 
Mostly cloudy, with a low around 28. West wind 5 to 9 mph becoming south in the evening.
Sunday
 
A chance of rain and snow showers, mainly after 11am. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
Sunday Night
 
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 34.
Monday
 
Partly sunny, with a high near 52.
Monday Night
 
Mostly cloudy, with a low around 30.
Tuesday
 
Partly sunny, with a high near 52.
Tuesday Night
 
Mostly cloudy, with a low around 31.
Wednesday
 
A chance of showers. Partly sunny, with a high near 51.

 

Forecast from NOAA-NWS for Green River WY.