Weather WorldGrand Tank, CA Weather Forecast
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Grand Tank Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | | | | | | | |  |  |
| Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Chance of T-Storm | Chance of T-Storm |
| Lo: 77°FLo: 25°C | Hi: 97°FHi: 36°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 92°FHi: 33°C | Lo: 67°FLo: 19°C | Hi: 92°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 88°FHi: 31°C |
| POP: 10% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 231 AM PDT Mon Aug 31 2026 
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Issued: 306 AM MST Mon Aug 31 2026
Key Messages
- Flood Watches cover much of southern and central Arizona today as periods of showers and thunderstorms, capable of producing heavy rainfall, will remain possible.
- Quiet weather under mostly clear skies is expected for Tuesday and Wednesday before potentially another more active period of weather materializes by the end of the week into the weekend.
- Near to slightly below normal temperatures are expected throughout much of the week.
Aviation
...Updated at 1000Z.
South Central Arizona inc...