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Mormon Flat Dam Weather Forecast
| TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | |  |  | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Chance of T-Storm | Mostly Sunny |
| Lo: 61°FLo: 16°C | Hi: 76°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 72°FHi: 22°C | Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 77°FHi: 25°C | Lo: 56°FLo: 13°C | Hi: 76°FHi: 24°C | Lo: 57°FLo: 14°C | Hi: 73°FHi: 23°C |
| POP: 50% | POP: 50% | POP: 80% | POP: 90% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM MST Sun Oct 11 2026 
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Issued: 702 PM MST Sun Oct 11 2026
Key Messages
- Lingering showers and an occasional storm this afternoon through tomorrow and tomorrow night with breezy south to southwest winds, strongest during the daylight hours.
- Temperatures cool through the start of the workweek with below normal reading anticipated through the middle of the week.
- Drier and quieter weather conditions develop by Wednesday and then breezy conditions may develop again by the end of the week.
Aviation
...Updated at 0200Z.
South Central Arizona including KPHX, KIWA, ...