Weather WorldUpper Martinez Tank, AZ Weather Forecast
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Upper Martinez Tank Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy |
| Hi: 87°FHi: 31°C | Lo: 60°FLo: 16°C | Hi: 87°FHi: 31°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 63°FLo: 17°C | Hi: 90°FHi: 32°C | Lo: 64°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 64°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 64°FLo: 18°C |
| POP: 40% | POP: 20% | POP: 40% | POP: 20% | POP: 20% | POP: 10% | POP: 20% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1133 AM MST Sun Aug 23 2026 
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Upper Martinez Tank Forecast Discussion
Issued: 1026 AM MST Sun Aug 23 2026
Discussion
...High pressure aloft was centered over New Mexico Sunday morning. It is expected that the high center will slowly drift southward through about Tuesday then westward becoming centered over southeast Arizona by Friday/Saturday. Look for daily chances for showers/thunderstorms across northern Arizona through Tuesday, with diminished chances later in the week as a drier and more stable air mass develops over northern Arizona.
For Today...Monsoon moisture will remain in place. As a result...