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Union School, AZ Weather Forecast
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Union School Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | | | | |  |  | | |  | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Clear | Mostly Sunny | Mostly Clear | Partly Sunny | Chance of T-Storm |
| Hi: 109°FHi: 43°C | Lo: 84°FLo: 29°C | Hi: 105°FHi: 41°C | Lo: 79°FLo: 26°C | Hi: 98°FHi: 37°C | Lo: 78°FLo: 26°C | Hi: 101°FHi: 38°C | Lo: 81°FLo: 27°C | Hi: 104°FHi: 40°C | Lo: 82°FLo: 28°C | Hi: 105°FHi: 41°C | Lo: 82°FLo: 28°C |
| POP: 10% | POP: 30% | POP: 10% | POP: 40% | POP: 40% | POP: 40% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1146 AM MST Sat Aug 29 2026 
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Issued: 1246 PM MST Sat Aug 29 2026
Key Messages
- Extreme Heat Warnings remain in effect through early this evening as afternoon high temperatures approach the 110 degree mark across the lower deserts.
- Showers and thunderstorms, some potentially strong to severe, are expected from later this afternoon into tonight. Additional rounds of showers and storms are also possible Sunday and Monday.
- A Flood Watch remains in effect for south-central Arizona from late this afternoon through tonight as heavy rainfall, producing localized amount...