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Hefty Tank Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 72°FLo: 22°C | Hi: 93°FHi: 34°C | Lo: 72°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 86°FHi: 30°C | Lo: 64°FLo: 18°C | Hi: 86°FHi: 30°C | Lo: 63°FLo: 17°C | Hi: 87°FHi: 31°C | Lo: 63°FLo: 17°C | Hi: 88°FHi: 31°C |
| POP: 10% | POP: 20% | POP: 30% | POP: 40% | POP: 40% | POP: 40% | POP: 40% | POP: 40% | POP: 30% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM MST Sat Sep 12 2026 
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Issued: 110 PM MST Sat Sep 12 2026
Key Messages
- Abundant moisture will remain situated across the eastern half of Arizona providing enhanced chances for showers and thunderstorms over mountain locations.
- Shower and thunderstorm chances will periodically extend into lower desert communities of south-central Arizona.
- Near to slightly above normal temperatures are likely through next week.
Aviation
...Updated at 1710Z.
South Central Arizona including KPHX, KIWA, KSDL, and KDVT: No major aviation weather concerns under FEW-SCT mid and hi...