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Calpine Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | WEDNESDAY |
 |  |  |  | | | | | | |
| Mostly Cloudy | Partly Cloudy | Sunny | Clear | Sunny | Clear | Clear | Clear | Clear | Sunny |
| Hi: 88°FHi: 31°C | Lo: 51°FLo: 11°C | Hi: 86°FHi: 30°C | Lo: 49°FLo: 9°C | Hi: 77°FHi: 25°C | Lo: 39°FLo: 4°C | Hi: 75°FHi: 24°C Lo: 44°FLo: 7°C | Hi: 75°FHi: 24°C Lo: 44°FLo: 7°C | Hi: 75°FHi: 24°C Lo: 44°FLo: 7°C | Hi: 76°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 AM PDT Thu Sep 10 2026 
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Issued: 113 AM PDT Thu Sep 10 2026
Key Messages
- Isolated shower and thunderstorm chances on Thursday afternoon over portions of western Nevada and the Sierra.
- Gusty to strong winds return Friday afternoon through Sunday morning, with winds peaking on Saturday bringing impacts to fire weather, aviation, and recreation.
- A significant cooling trend is expected for Friday through early next week.
Discussion
...
Today will bring low 90s back over western Nevada and 80s to Sierra valleys before temperatures start to moderate for Friday. We...