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Mountain Mesa Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY | TUESDAY |
 |  | | |  | | | | | | |
| Partly Cloudy | Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Clear | Clear | Clear | Sunny |
| Lo: 70°FLo: 21°C | Hi: 97°FHi: 36°C | Lo: 71°FLo: 22°C | Hi: 96°FHi: 36°C | Lo: 70°FLo: 21°C | Hi: 93°FHi: 34°C Lo: 65°FLo: 18°C | Hi: 93°FHi: 34°C Lo: 65°FLo: 18°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C Lo: 60°FLo: 16°C | Hi: 87°FHi: 31°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 PM PDT Tue Sep 08 2026 
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Issued: 1156 AM PDT Tue Sep 8 2026
Key Messages
1. Heat Advisory issued for the San Joaquin Valley, Sierra Foothills and West Side Hills along the Coastal Range.
2. High probability (70 to 80 percent) for triple- digit highs in the San Joaquin Valley Thursday.
3. Medium probability (50 to 60 percent) for measurable rainfall in the Sierra Nevada near Mount Whitney both Wednesday and Thursday.
4. Stronger winds expected to develop in the Mojave Desert Slopes later this week.
Discussion
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Slight amounts of lingering moisture from the rem...