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Trinity Lakes Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
 |  |  | | |  | | | | | | |
| Mostly Clear | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Rain and Snow | Rain and Snow | Sunny | Clear | Clear | Mostly Clear | Mostly Clear |
| Lo: 42°FLo: 6°C | Hi: 61°FHi: 16°C | Lo: 42°FLo: 6°C | Hi: 56°FHi: 13°C | Lo: 38°FLo: 3°C | Hi: 52°FHi: 11°C | Lo: 38°FLo: 3°C | Hi: 61°FHi: 16°C | Hi: 66°FHi: 19°C Lo: 44°FLo: 7°C | Hi: 66°FHi: 19°C Lo: 44°FLo: 7°C | Hi: 64°FHi: 18°C Lo: 43°FLo: 6°C | Hi: 64°FHi: 18°C Lo: 43°FLo: 6°C |
| POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 405 PM PDT Fri Sep 25 2026 
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Issued: 1142 AM PDT Fri Sep 25 2026
Key Messages
1. Minor Heat Risk through the weekend as temperatures cool to early fall normals.
2. Low pressure trough approaches California Sunday, bringing cooler temperatures and a possibility for precipitation along the Sierra Nevada moutains.
3. Low but notable chances (10-12%) for thunderstorms in Sierra Nevadas Monday.
Discussion
... Much cooler temperatures are expected today as a trough moves into our area. This trough will likely lift and become less influential over the coming days. Today ...