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Grass Tank Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  | | | | | |  | |  |
| Chance of T-Storm | Snow Showers | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Clear | Chance of Showers |
| Lo: 46°FLo: 8°C | Hi: 58°FHi: 14°C | Lo: 38°FLo: 3°C | Hi: 63°FHi: 17°C | Lo: 42°FLo: 6°C | Hi: 63°FHi: 17°C | Lo: 40°FLo: 4°C | Hi: 62°FHi: 17°C | Lo: 42°FLo: 6°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 63°FHi: 17°C |
| POP: 30% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 324 PM MST Sun Nov 01 2026 
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Issued: 209 PM MST Sun Nov 1 2026
Discussion
... The atmospheric river (AR) event continues this afternoon across southeast Arizona, aided by a strong subtropical jet just ahead of a strong upper level trough. Rainfall amounts over the past 6 hours have ranged from 0.5 to 1.0+ with highest amounts of 2.0+ in Oro Valley and in the Catalinas. So far the impacts reported have been multiple swift water rescues across the area and rises in creeks, rivers, and washes. As of 2 PM MST, Sabino Creek has risen to Minor Flood Stage and the ...