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Tacna Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  | | | |  |  |  |  | | |
| Chance of T-Storm | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Clouds | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of T-Storm |
| Lo: 76°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 77°FLo: 25°C | Hi: 101°FHi: 38°C | Lo: 77°FLo: 25°C | Hi: 104°FHi: 40°C | Lo: 80°FLo: 27°C | Hi: 99°FHi: 37°C | Lo: 76°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 74°FLo: 23°C | Hi: 97°FHi: 36°C |
| POP: 10% | POP: 20% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM MST Wed Sep 23 2026 
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Issued: 442 PM MST Wed Sep 23 2026
Key Messages
- Chances for scattered showers and isolated thunderstorms are increased today and Thursday with the most activity focused over foothill and high terrain areas.
- Along with the chances for rain, gusty storm driven outflow winds will be possible today and Thursday, potentially leading to patchy blowing dust.
- Near to slightly above normal temperatures will persist through the weekend before additional cooling is expected early next week.
Aviation
...Updated at 2342Z.
South Central Arizona in...