Mountainaire, AZ Weather Forecast
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Mountainaire Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Rain Showers | Patchy Fog | Clear | Clear | Mostly Clear | Mostly Clear |
| Lo: 49°FLo: 9°C | Hi: 58°FHi: 14°C | Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C | Lo: 44°FLo: 7°C | Hi: 53°FHi: 12°C | Lo: 32°FLo: 0°C | Hi: 56°FHi: 13°C | Hi: 58°FHi: 14°C Lo: 35°FLo: 2°C | Hi: 58°FHi: 14°C Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C Lo: 37°FLo: 3°C | Hi: 60°FHi: 16°C Lo: 37°FLo: 3°C |
| POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 PM MST Sat Oct 10 2026 

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Issued: 1019 PM MST Sat Oct 10 2026
Discussion
...Today through Tuesday...Tropical Storm Rachel, about 500 miles southwest of San Diego as of 8 AM MST, is quickly moving northward as it begins to be pulled northward by an upper-level low off the California coast. As this occurs, tropical moisture is expected to increase across much of Arizona through the day. PHX ACARS profiles have already begun to show around a 0.2 inch increase in PWATs this morning vs yesterday afternoon.
As a result, scattered showers and thunderstorms look to ...
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