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Mendota Pool Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
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| Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Sunny |
| Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C | Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C | Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C | Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 PM PDT Sat Aug 22 2026 
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Mendota Pool Forecast Discussion
Issued: 1203 PM PDT Sat Aug 22 2026
Key Messages
1. Triple digit heat continues for San Joaquin Valley and Mojave Desert.
2. Monsoonal moisture brings 10 to 20 percent chance of thunderstorms over the Sierra Nevada this afternoon.
3. 20-40% probability for extreme heat ending next week and starting September.
Discussion
... Upper level disturbance expected to swing around the ridge pattern today and cross into the Upper Inter-Mountain West on Sunday. While slight changes in temperatures and winds will be observed Today, the location of...