National Weather Service Forecast for: Green River WY
Issued by: National Weather Service Riverton, WY
Updated: 2:47 pm MDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 77. Breezy, with a west wind around 17 mph, with gusts as high as 26 mph.
Sunny and
Breezy

 Tonight

Tonight: Mostly clear, with a low around 39. Breezy, with a west northwest wind 11 to 16 mph becoming light west southwest in the evening. Winds could gust as high as 24 mph.
Mostly Clear
and Breezy
then Mostly
Clear
 Friday

Friday: Sunny, with a high near 77. Light west southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 41. West wind 6 to 11 mph becoming light and variable in the evening.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 80. Breezy, with a light and variable wind becoming west 18 to 23 mph in the morning. Winds could gust as high as 32 mph.
Sunny then
Mostly Sunny
and Breezy
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 39. Breezy, with a west wind 17 to 22 mph becoming light after midnight. Winds could gust as high as 31 mph.
Mostly Cloudy
and Breezy
then Partly
Cloudy
 Sunday

Sunday: Mostly sunny, with a high near 68. Breezy, with a light west wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 25 mph.
Mostly Sunny
then Mostly
Sunny and
Breezy
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 34.
Partly Cloudy

 Monday

Monday: Mostly sunny, with a high near 71.
Mostly Sunny
Hi 77 °F Lo 39 °F Hi 77 °F Lo 41 °F Hi 80 °F Lo 39 °F Hi 68 °F Lo 34 °F Hi 71 °F

Hazardous Weather Outlook
Red Flag Warning
 

This Afternoon
 
 Sunny, with a high near 77. Breezy, with a west wind around 17 mph, with gusts as high as 26 mph.
Tonight
 
 Mostly clear, with a low around 39. Breezy, with a west northwest wind 11 to 16 mph becoming light west southwest in the evening. Winds could gust as high as 24 mph.
Friday
 
 Sunny, with a high near 77. Light west southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Mostly clear, with a low around 41. West wind 6 to 11 mph becoming light and variable in the evening.
Saturday
 
 Sunny, with a high near 80. Breezy, with a light and variable wind becoming west 18 to 23 mph in the morning. Winds could gust as high as 32 mph.
Saturday Night
 
 Partly cloudy, with a low around 39. Breezy, with a west wind 17 to 22 mph becoming light after midnight. Winds could gust as high as 31 mph.
Sunday
 
 Mostly sunny, with a high near 68. Breezy, with a light west wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 25 mph.
Sunday Night
 
 Partly cloudy, with a low around 34.
Monday
 
 Mostly sunny, with a high near 71.
Monday Night
 
 Mostly cloudy, with a low around 42. Breezy.
Tuesday
 
 Partly sunny, with a high near 74. Breezy.
Tuesday Night
 
 Partly cloudy, with a low around 46. Breezy.
Wednesday
 
 Sunny, with a high near 76. Breezy.

 

Forecast from NOAA-NWS for Green River WY.