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McDowell Tank Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | | | | | | |  | |  |
| Chance of T-Storm | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Clear | Sunny |
| Lo: 63°FLo: 17°C | Hi: 83°FHi: 28°C | Lo: 61°FLo: 16°C | Hi: 86°FHi: 30°C | Lo: 65°FLo: 18°C | Hi: 77°FHi: 25°C | Lo: 60°FLo: 16°C | Hi: 70°FHi: 21°C | Lo: 53°FLo: 12°C | Hi: 67°FHi: 19°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C |
| POP: 10% | POP: 30% | POP: 10% | POP: 70% | POP: 90% | POP: 100% | POP: 100% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1131 PM MST Sun Oct 18 2026 
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Issued: 206 AM MST Mon Oct 19 2026
Key Messages
- A weak disturbance will spark scattered showers and isolated thunderstorms this afternoon, mainly across the Arizona higher terrain east of Phoenix.
- Temperatures during the next couple of days will warm to near to even a few degrees above normal before abrupt cooling takes place by the latter half of the week.
- A Pacific low pressure system moving into the region during the middle portion of the week will bringing heightened rain chances, mainly across south-central and eastern Arizon...