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Johnson Tank Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT |
 |  | |  |  | | | |  | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Patchy Fog | Chance of T-Storm | Patchy Fog | Patchy Fog | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy |
| Lo: 48°FLo: 9°C | Hi: 58°FHi: 14°C | Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 37°FLo: 3°C | Hi: 53°FHi: 12°C | Hi: 53°FHi: 12°C Lo: 35°FLo: 2°C | Hi: 53°FHi: 12°C Lo: 35°FLo: 2°C | Lo: 37°FLo: 3°C | Hi: 58°FHi: 14°C Lo: 37°FLo: 3°C | Hi: 58°FHi: 14°C Lo: 37°FLo: 3°C | Hi: 58°FHi: 14°C Lo: 37°FLo: 3°C |
| POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 937 PM MST Wed Oct 21 2026 
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Issued: 442 PM MST Wed Oct 21 2026
Discussion
...A concerning situation continue to evolve across Arizona through Thursday evening, with threats of flooding/flash flooding, severe thunderstorms, and tornadoes. A strong low pressure system sliding south-southeastward along the coast of California. This pushing a deep moisture surge, with tropical and subtropical origins, and providing an environment favorable for severe weather. The low will eventually lifts through the Great Basin on Thursday, shifting the area of heavy weather an...