Keys Lake, CA Weather Forecast
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Keys Lake Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear |
| Lo: 80°FLo: 27°C | Hi: 110°FHi: 43°C | Lo: 80°FLo: 27°C | Hi: 110°FHi: 43°C | Lo: 80°FLo: 27°C | Hi: 108°FHi: 42°C Lo: 86°FLo: 30°C | Hi: 108°FHi: 42°C Lo: 86°FLo: 30°C | Hi: 110°FHi: 43°C | Lo: 87°FLo: 31°C | Hi: 111°FHi: 44°C | Hi: 111°FHi: 44°C Lo: 86°FLo: 30°C | Hi: 111°FHi: 44°C Lo: 86°FLo: 30°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 300 PM PDT Fri Aug 21 2026 

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Keys Lake Forecast Discussion
Issued: 245 PM PDT Fri Aug 21 2026
Key Messages
- Above normal temperatures will continue into next week.
- Thunderstorm chances continue today but will decrease over the weekend.
Discussion
...through Thursday.
Today`s high temperatures will be a few degrees "cooler" than temperatures were yesterday afternoon. However, an increase in moisture will make today`s temperatures just as uncomfortable. Temperatures will increase a degree or two over the weekend as moisture decreases across the region. As a result, Major HeatRisk (Level 3 of 4)...
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