Weather WorldBig Buttonwillow Lake, CA Weather Forecast
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Big Buttonwillow Lake Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  |  | | | | | | | |
| Partly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Sunny |
| Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Hi: 95°FHi: 35°C Lo: 61°FLo: 16°C | Hi: 95°FHi: 35°C Lo: 61°FLo: 16°C | Hi: 95°FHi: 35°C Lo: 61°FLo: 16°C | Hi: 95°FHi: 35°C Lo: 61°FLo: 16°C | Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 PM PDT Sat Sep 19 2026 
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Issued: 349 PM PDT Sat Sep 19 2026
Key Messages
1. Minor Heat Risk through Tuesday as temperatures remain at or below seasonal normal values.
2. A warming trend in temperatures starts on Wednesday as the region will see the return of heat during the latter part of the period. Thursday looks to be the hottest day with a greater than 70% chance of a Moderate Heat Risk.
3. A disturbance will cross the region on Monday and Tuesday with a slight chance of showers and thunderstorms across the Sierra Nevada Monday afternoon.
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