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Upper Mesa Tank, AZ Weather Forecast
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Upper Mesa Tank Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | | | |  |  |  | | | |
| Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 73°FLo: 23°C | Hi: 102°FHi: 39°C | Lo: 75°FLo: 24°C | Hi: 103°FHi: 39°C | Lo: 75°FLo: 24°C | Hi: 104°FHi: 40°C | Lo: 77°FLo: 25°C | Hi: 102°FHi: 39°C Lo: 77°FLo: 25°C | Hi: 102°FHi: 39°C Lo: 77°FLo: 25°C | Hi: 98°FHi: 37°C | Lo: 74°FLo: 23°C | Hi: 94°FHi: 34°C |
| POP: 10% | POP: 10% | POP: 20% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1206 AM MST Tue Aug 25 2026 
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Meteorlogic Glosserator
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Issued: 1032 PM MST Mon Aug 24 2026
Discussion
...An area of high pressure over New Mexico is starting to drift westward today through Tuesday before becoming centered over Arizona. As we move through the rest of the week, the high starts to sink further to the south and east.
Today and Tuesday...Shower activity lifted north this morning, which was in response to outflows from storms across the valley overnight. Increased cloud cover as a result is limiting instability as evidenced in the 18Z sounding, with most thunderstorm activit...