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| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY |
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| Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Lo: 53°FLo: 12°C | Hi: 71°FHi: 22°C | Lo: 52°FLo: 11°C | Hi: 72°FHi: 22°C | Lo: 53°FLo: 12°C | Hi: 71°FHi: 22°C Lo: 53°FLo: 12°C | Hi: 71°FHi: 22°C Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C Lo: 52°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 52°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C Lo: 50°FLo: 10°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 450 PM PDT Sun Aug 23 2026 
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Issued: 1155 AM PDT Sun Aug 23 2026
Key Messages
1. Triple digit heat continues for San Joaquin Valley and Mojave Desert. 50 to 60 percent for Major Heat Risk in the Southern San Joaquin Valley at the start of this week.
2. A 5 to 15 percent probability for extreme heat in the Mojave Desert toward the end of the week and starting September.
Discussion
... Upper level disturbance continues to swing around the ridge pattern today and crossing over the Northern Rockies. With its current trajectory, the disturbance will move into the Uppe...