National Weather Service Forecast for: Rock Springs WY
Issued by: National Weather Service Riverton, WY
Updated: 3:32 am MDT Jun 22, 2026
 
Overnight

Overnight: Mostly clear, with a steady temperature around 54. Light and variable wind becoming east southeast around 5 mph.
Mostly Clear

Monday

Monday: Sunny, with a high near 86. Breezy, with a light and variable wind becoming west southwest 13 to 18 mph in the morning. Winds could gust as high as 28 mph.
Sunny then
Sunny and
Breezy
Monday
Night
Monday Night: Mostly clear, with a low around 48. Breezy, with a west wind 13 to 18 mph becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 28 mph.
Mostly Clear
and Breezy
then Mostly
Clear
Tuesday

Tuesday: Sunny, with a high near 87. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 49. West wind 7 to 14 mph becoming east after midnight. Winds could gust as high as 25 mph.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 88. Breezy, with a light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph.
Sunny then
Sunny and
Breezy
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 49. East wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 24 mph.
Partly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 85. Breezy.
Mostly Sunny
then Mostly
Sunny and
Breezy
Thursday
Night
Thursday Night: Partly cloudy, with a low around 49.
Partly Cloudy

Lo 54 °F Hi 86 °F Lo 48 °F Hi 87 °F Lo 49 °F Hi 88 °F Lo 49 °F Hi 85 °F Lo 49 °F

 

Overnight
 
Mostly clear, with a steady temperature around 54. Light and variable wind becoming east southeast around 5 mph.
Monday
 
Sunny, with a high near 86. Breezy, with a light and variable wind becoming west southwest 13 to 18 mph in the morning. Winds could gust as high as 28 mph.
Monday Night
 
Mostly clear, with a low around 48. Breezy, with a west wind 13 to 18 mph becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 28 mph.
Tuesday
 
Sunny, with a high near 87. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
 
Mostly clear, with a low around 49. West wind 7 to 14 mph becoming east after midnight. Winds could gust as high as 25 mph.
Wednesday
 
Sunny, with a high near 88. Breezy, with a light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
 
Partly cloudy, with a low around 49. East wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Thursday
 
Mostly sunny, with a high near 85. Breezy.
Thursday Night
 
Partly cloudy, with a low around 49.
Friday
 
Mostly sunny, with a high near 87. Breezy.
Friday Night
 
A slight chance of showers. Partly cloudy, with a low around 50. Breezy.
Saturday
 
A slight chance of showers and thunderstorms. Sunny, with a high near 79. Breezy.
Saturday Night
 
Partly cloudy, with a low around 42. Breezy.
Sunday
 
Mostly sunny, with a high near 68. Breezy.

 

Forecast from NOAA-NWS for Rock Springs WY.