National Weather Service Forecast for: Rock Springs 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 89. West southwest wind 6 to 10 mph.
Slight Chance
T-storms

Tonight

Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Patchy smoke. Partly cloudy, with a low around 58. West southwest wind 8 to 13 mph becoming light and variable  after midnight.
Slight Chance
T-storms then
Patchy Smoke
Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Patchy smoke before 2pm. Mostly cloudy, with a high near 87. Breezy, with a light and variable wind becoming west southwest 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.
Patchy Smoke
then Chance
T-storms and
Breezy
Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 55. West wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 20 mph.
Mostly Cloudy

Thursday

Thursday: Sunny, with a high near 92. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 56. West northwest 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, with a high near 95. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 59.
Mostly Clear

Saturday

Saturday: Sunny and hot, with a high near 97.
Hot

Hi 89 °F Lo 58 °F Hi 87 °F Lo 55 °F Hi 92 °F Lo 56 °F Hi 95 °F Lo 59 °F Hi 97 °F

 

This Afternoon
 
A 20 percent chance of showers and thunderstorms. Areas of smoke. Mostly sunny, with a high near 89. West southwest wind 6 to 10 mph.
Tonight
 
A 10 percent chance of showers and thunderstorms before 7pm. Patchy smoke. Partly cloudy, with a low around 58. West southwest wind 8 to 13 mph becoming light and variable after midnight.
Wednesday
 
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Patchy smoke before 2pm. Mostly cloudy, with a high near 87. Breezy, with a light and variable wind becoming west southwest 11 to 16 mph in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
 
Mostly cloudy, with a low around 55. West wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Thursday
 
Sunny, with a high near 92. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
 
Mostly clear, with a low around 56. West northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Friday
 
Sunny, with a high near 95. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
 
Mostly clear, with a low around 59.
Saturday
 
Sunny and hot, with a high near 97.
Saturday Night
 
Mostly clear, with a low around 62.
Sunday
 
Sunny and hot, with a high near 99.
Sunday Night
 
Partly cloudy, with a low around 61.
Monday
 
Sunny, with a high near 95.

 

Forecast from NOAA-NWS for Rock Springs WY.