National Weather Service Forecast for: Rock Springs WY
Issued by: National Weather Service Riverton, WY
Updated: 11:02 pm MDT Jun 29, 2026
 
Tonight

Tonight: Clear, with a low around 37. Light and variable wind.
Clear
Tuesday

Tuesday: Sunny, with a high near 73. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 40. West northwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 22 mph.
Decreasing
Clouds
Wednesday

Wednesday: Increasing clouds, with a high near 77. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Increasing
Clouds
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 45. West wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.
Partly Cloudy
Thursday

Thursday: Sunny, with a high near 81. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph.
Sunny
Thursday
Night
Thursday Night: Mostly cloudy, with a low around 47. West wind 5 to 8 mph becoming light and variable  after midnight.
Mostly Cloudy
Friday

Friday: Sunny, with a high near 83.
Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 47.
Partly Cloudy
Lo 37 °F Hi 73 °F Lo 40 °F Hi 77 °F Lo 45 °F Hi 81 °F Lo 47 °F Hi 83 °F Lo 47 °F

 

Tonight
 
Clear, with a low around 37. Light and variable wind.
Tuesday
 
Sunny, with a high near 73. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
 
Mostly cloudy, then gradually becoming mostly clear, with a low around 40. West northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Wednesday
 
Increasing clouds, with a high near 77. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
Partly cloudy, with a low around 45. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Thursday
 
Sunny, with a high near 81. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
 
Mostly cloudy, with a low around 47. West wind 5 to 8 mph becoming light and variable after midnight.
Friday
 
Sunny, with a high near 83.
Friday Night
 
Partly cloudy, with a low around 47.
Independence Day
 
Sunny, with a high near 83.
Saturday Night
 
Mostly clear, with a low around 49.
Sunday
 
Sunny, with a high near 87.
Sunday Night
 
Mostly clear, with a low around 53.
Monday
 
Sunny, with a high near 91.

 

Forecast from NOAA-NWS for Rock Springs WY.