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Pima County Fairgrounds Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Thunderstorms | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 73°FLo: 23°C | Hi: 96°FHi: 36°C | Lo: 74°FLo: 23°C | Hi: 95°FHi: 35°C | Lo: 73°FLo: 23°C | Hi: 93°FHi: 34°C | Hi: 93°FHi: 34°C Lo: 71°FLo: 22°C | Hi: 93°FHi: 34°C Lo: 71°FLo: 22°C | Hi: 96°FHi: 36°C | Lo: 73°FLo: 23°C |
| POP: 10% | POP: 10% | POP: 10% | POP: 30% | POP: 10% | POP: 60% | POP: 50% | POP: 60% | POP: 40% | POP: 40% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 429 PM MST Mon Aug 31 2026 
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Issued: 303 PM MST Mon Aug 31 2026
Discussion
...It`s been an interesting day with light to moderate, localized heavy rain occurring across eastern Pinal county, central and eastern Pima county and Santa Cruz county. CAMs have struggled all day with areal coverage of storms and how long they would last, especially across eastern Pima county. Argh. Today is being enhanced by a shortwave that extended from eastern NV south to northern Baja. The current showers/embedded thunder will continue to push east across Graham/Greenlee/Cochis...