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Upper Junction Tank, AZ Weather Forecast
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Upper Junction Tank Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  |  | |  | | |  | | | |
| Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Sunny |
| Lo: 76°FLo: 24°C | Hi: 104°FHi: 40°C | Lo: 76°FLo: 24°C | Hi: 102°FHi: 39°C | Lo: 76°FLo: 24°C | Hi: 103°FHi: 39°C | Lo: 76°FLo: 24°C | Hi: 104°FHi: 40°C | Hi: 105°FHi: 41°C Lo: 77°FLo: 25°C | Hi: 105°FHi: 41°C Lo: 77°FLo: 25°C | Lo: 76°FLo: 24°C | Hi: 104°FHi: 40°C |
| POP: 10% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 212 PM MST Fri Aug 21 2026 
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Upper Junction Tank Forecast Discussion
Issued: 137 PM MST Fri Aug 21 2026
Discussion
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A north-south elongated upper level high sits over the Four Corners and desert southwest today. The orientation of this high has marginally dried out the atmosphere, as the moisture source region is more northeasterly than southeasterly. Even so, adequate moisture remains today for a round of scattered thunderstorms across areas of southeastern Arizona. Precipitable water values aren`t eye popping (below an inch in Graham- Greenlee- Cochise counties and 1-1.25 inch further west) and...