Lagoon Tank, AZ Weather Forecast
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Lagoon Tank Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY 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 | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 58°FLo: 14°C | Hi: 82°FHi: 28°C | ||||||||||
| POP: 60% | POP: 20% | POP: 50% | POP: 10% | POP: 50% | POP: 10% | POP: 50% | POP: 20% | POP: 60% | POP: 30% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 AM MST Mon Aug 17 2026 

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Lagoon Tank Forecast Discussion
Issued: 1015 AM MST Mon Aug 17 2026
Discussion
...High pressure over the state will keep the region in low grade monsoon conditions for the next couple days. Sinking air from this feature will warm things back up above average, as well as make it harder for showers and storms to develop. Only the White Mountains and parts of the Rim are expected to see any activity. High temperatures get pretty close to Extreme Heat Warning criteria for the lowest parts of the Grand Canyon Tuesday and Wednesday so the ...
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