| National Weather Service Forecast for:
Rock Springs WY Issued by: National Weather Service Riverton, WY |
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| Updated: 2:47 am MDT Aug 20, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 54. Light southwest wind. |
| Thursday |
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 92. Breezy, with a light and variable wind becoming west southwest 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. |
| Thursday Night |
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. |
| Friday |
Increasing clouds, with a high near 95. Calm wind becoming northwest around 6 mph in the afternoon. |
| Friday Night |
Mostly cloudy, with a low around 61. West northwest wind around 6 mph becoming calm after midnight. |
| Saturday |
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Light southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph. |
| Saturday Night |
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 55. West wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 30%. |
| Sunday |
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86. |
| Sunday Night |
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 54. |
| Monday |
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. |
| Monday Night |
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 53. |
| Tuesday |
Mostly sunny, with a high near 84. |
| Tuesday Night |
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 53. |
| Wednesday |
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. |
Forecast from NOAA-NWS for Rock Springs WY.