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Heritage Square Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | |  |  | | | | |  | | |
| Mostly Sunny | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm |
| Hi: 101°FHi: 38°C | Lo: 78°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 98°FHi: 37°C | Lo: 81°FLo: 27°C | Hi: 100°FHi: 38°C | Lo: 82°FLo: 28°C | Hi: 103°FHi: 39°C | Lo: 83°FLo: 28°C | Hi: 105°FHi: 41°C | Lo: 84°FLo: 29°C |
| POP: 10% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1146 AM MST Thu Sep 03 2026 
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Issued: 1234 PM MST Thu Sep 3 2026
Key Messages
- A few showers and storms are possible across south-central Arizona late this afternoon into early this evening.
- Some tropical moisture arriving into the region later today through early Friday will increase rain chances across the foothills and higher terrain areas east of Phoenix before chances shift westward into southwest Arizona and southeast California this weekend.
- Temperatures will remain in a near to slightly below normal category through this weekend, resulting in widespread...