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| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY |
 |  |  | | | | |  |  | | | |
| Blowing Dust | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 66°FLo: 19°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 66°FLo: 19°C | Hi: 91°FHi: 33°C | Hi: 92°FHi: 33°C Lo: 65°FLo: 18°C | Hi: 92°FHi: 33°C Lo: 65°FLo: 18°C | Hi: 92°FHi: 33°C Lo: 65°FLo: 18°C | Hi: 92°FHi: 33°C Lo: 65°FLo: 18°C |
| POP: 40% | POP: 50% | POP: 30% | POP: 30% | POP: 30% | POP: 30% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 309 PM MST Wed Aug 19 2026 
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Loop Tank Forecast Discussion
Issued: 116 PM MST Wed Aug 19 2026
Discussion
...So far this afternoon storms were forming in the White Mountains with cumulus fields developing over the higher terrain elsewhere. We will see the storms continue to form and gradually push to the west and south during the afternoon and eventually into central Pima County in the evening hours. The latest WRF guidance is not in agreement on the timeline for when storms would potentially impact the Tucson Metro with the WRF-GFS trending on the later side ...