Weather WorldIsabella Lake, CA Weather Forecast
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Isabella Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
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| Sunny | Clear | Sunny | Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Clear | Clear | Clear |
| Hi: 82°FHi: 28°C | Lo: 59°FLo: 15°C | Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 94°FHi: 34°C | Lo: 65°FLo: 18°C | Hi: 93°FHi: 34°C Lo: 65°FLo: 18°C | Hi: 93°FHi: 34°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 66°FLo: 19°C | Hi: 91°FHi: 33°C Lo: 66°FLo: 19°C | Hi: 91°FHi: 33°C Lo: 66°FLo: 19°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 AM PDT Tue Sep 29 2026 
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Issued: 1034 PM PDT Mon Sep 28 2026
Key Messages
1. Low pressure trough moves through California today, bringing cooler temperatures and a possibility for precipitation along the Sierra Nevada crest.
2. A ridge will build over our area by the middle of next week, leading to temperatures well above average for an extended period of time.
Discussion
... The low pressure trough that brought in today`s cooler temperatures and the activity over the Sierra Nevada this afternoon will begin to move eastwards tonight and is expected to be full...