National Weather Service Forecast for: Green River WY
Issued by: National Weather Service Riverton, WY
Updated: 2:03 pm MDT Jul 28, 2026
 
This
Afternoon
This Afternoon: A 20 percent chance of showers and thunderstorms. Areas of smoke. Mostly sunny, with a high near 90. West wind 7 to 9 mph.
Slight Chance
T-storms

 Tonight

Tonight: Patchy smoke. Partly cloudy, with a low around 59. West southwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 20 mph.
Patchy Smoke


 Wednesday

Wednesday: A slight chance of showers between 11am and noon, then a chance of showers and thunderstorms after noon. Patchy smoke before 2pm. Mostly cloudy, with a high near 88. Breezy, with a light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Slight Chance
Showers then
Chance
T-storms and
Breezy
 Wednesday
Night
Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 56. West southwest wind 5 to 9 mph becoming calm in the evening.
Decreasing
Clouds

 Thursday

Thursday: Sunny, with a high near 94. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Sunny


 Thursday
Night
Thursday Night: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Mostly Clear


 Friday

Friday: Sunny and hot, with a high near 97. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Hot


 Friday
Night
Friday Night: Mostly clear, with a low around 60.
Mostly Clear


 Saturday

Saturday: Sunny and hot, with a high near 99.
Hot
Hi 90 °F Lo 59 °F Hi 88 °F Lo 56 °F Hi 94 °F Lo 57 °F Hi 97 °F Lo 60 °F Hi 99 °F

 

This Afternoon
 
 A 20 percent chance of showers and thunderstorms. Areas of smoke. Mostly sunny, with a high near 90. West wind 7 to 9 mph.
Tonight
 
 Patchy smoke. Partly cloudy, with a low around 59. West southwest wind 9 to 14 mph becoming light and variable. Winds could gust as high as 20 mph.
Wednesday
 
 A slight chance of showers between 11am and noon, then a chance of showers and thunderstorms after noon. Patchy smoke before 2pm. Mostly cloudy, with a high near 88. Breezy, with a light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Wednesday Night
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 56. West southwest wind 5 to 9 mph becoming calm in the evening.
Thursday
 
 Sunny, with a high near 94. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
 
 Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Friday
 
 Sunny and hot, with a high near 97. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 60.
Saturday
 
 Sunny and hot, with a high near 99.
Saturday Night
 
 Mostly clear, with a low around 63.
Sunday
 
 Sunny and hot, with a high near 101.
Sunday Night
 
 Partly cloudy, with a low around 62. Breezy.
Monday
 
 Sunny, with a high near 96.

 

Forecast from NOAA-NWS for Green River WY.