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Round Mountain Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | | | | | | | | | |
| Mostly Clear | Sunny | Clear | Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Sunny |
| Lo: 53°FLo: 12°C | Hi: 73°FHi: 23°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 58°FLo: 14°C | Hi: 92°FHi: 33°C Lo: 63°FLo: 17°C | Hi: 92°FHi: 33°C Lo: 63°FLo: 17°C | Hi: 85°FHi: 29°C Lo: 62°FLo: 17°C | Hi: 85°FHi: 29°C Lo: 62°FLo: 17°C | Hi: 78°FHi: 26°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 PM PDT Sat Sep 05 2026 
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Issued: 148 PM PDT Sat Sep 5 2026
Key Messages
- Mainly dry this weekend, with some mountain showers and thunderstorm chance (15-20%) Sunday over northern Shasta County.
- Gradual warming trend this weekend and into early next week, but highs likely remain below average for this time of the year
- There is a potential for showers and isolated thunderstorms mid to late next week, especially for the Sierra.
Discussion
... A broad-upper level trough centered over the Pacific Northwest will persist through this weekend, before weakens and sh...