National Weather Service Forecast for: Green River WY
Issued by: National Weather Service Riverton, WY
Updated: 9:16 am MDT May 4, 2026
 
Today

Today: Isolated showers and thunderstorms after 3pm.  Partly sunny, with a high near 70. West wind 6 to 14 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.
Isolated
T-storms

Tonight

Tonight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 38. Southwest wind 10 to 14 mph becoming east after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Scattered
Showers

Tuesday

Tuesday: Scattered rain and snow showers before noon, then rain showers. Some thunder is also possible.  High near 50. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.
Scattered
Rain/Snow
then Showers
and Breezy
Tuesday
Night
Tuesday Night: Rain and snow showers likely, becoming all snow after 9pm. Some thunder is also possible.  Mostly cloudy, with a low around 29. Blustery, with an east northeast wind 11 to 18 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.
Blustery.
Rain/Snow
Likely then
Chance Snow
Showers
Wednesday

Wednesday: Mostly sunny, with a high near 54. East northeast wind 9 to 11 mph becoming west northwest in the afternoon.
Mostly Sunny


Wednesday
Night
Wednesday Night: Mostly clear, with a low around 34. West northwest wind 6 to 11 mph becoming light southwest  after midnight.
Mostly Clear


Thursday

Thursday: Mostly sunny, with a high near 69. Breezy, with a light southwest wind becoming west northwest 16 to 21 mph in the morning. Winds could gust as high as 29 mph.
Mostly Sunny
and Breezy

Thursday
Night
Thursday Night: Partly cloudy, with a low around 40. Breezy.
Partly Cloudy
and Breezy
then Partly
Cloudy
Friday

Friday: Sunny, with a high near 73. Breezy.
Sunny then
Sunny and
Breezy

Hi 70 °F Lo 38 °F Hi 50 °F Lo 29 °F Hi 54 °F Lo 34 °F Hi 69 °F Lo 40 °F Hi 73 °F

Hazardous Weather Outlook
 

Today
 
Isolated showers and thunderstorms after 3pm. Partly sunny, with a high near 70. West wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
 
Scattered showers and thunderstorms. Mostly cloudy, with a low around 38. Southwest wind 10 to 14 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
Scattered rain and snow showers before noon, then rain showers. Some thunder is also possible. High near 50. Breezy, with an east northeast wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
 
Rain and snow showers likely, becoming all snow after 9pm. Some thunder is also possible. Mostly cloudy, with a low around 29. Blustery, with an east northeast wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
 
Mostly sunny, with a high near 54. East northeast wind 9 to 11 mph becoming west northwest in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 34. West northwest wind 6 to 11 mph becoming light southwest after midnight.
Thursday
 
Mostly sunny, with a high near 69. Breezy, with a light southwest wind becoming west northwest 16 to 21 mph in the morning. Winds could gust as high as 29 mph.
Thursday Night
 
Partly cloudy, with a low around 40. Breezy.
Friday
 
Sunny, with a high near 73. Breezy.
Friday Night
 
Partly cloudy, with a low around 42. Breezy.
Saturday
 
A slight chance of showers and thunderstorms. Sunny, with a high near 69. Breezy.
Saturday Night
 
Partly cloudy, with a low around 38. Breezy.
Sunday
 
A slight chance of showers and thunderstorms. Sunny, with a high near 70.

 

Forecast from NOAA-NWS for Green River WY.