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Rim Reservoir, UT Weather Forecast
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Rim Reservoir Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SUNDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 41°FLo: 5°C | Hi: 49°FHi: 9°C | Lo: 40°FLo: 4°C | Hi: 45°FHi: 7°C | Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C | Hi: 60°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C Lo: 45°FLo: 7°C |
| POP: 50% | POP: 100% | POP: 90% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1111 PM MDT Sun Sep 27 2026 
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Issued: 1039 PM MDT Sun Sep 27 2026
Key Messages
- Widespread heavy rainfall influenced by a strong upper-level low and deep tropical moisture brings a heightened risk for flash flooding across central and southern Utah starting Monday morning, continuing into Tuesday.
- High pressure quickly moves in mid-week, with dry and mild conditions persisting through the weekend.
Discussion
...An upper trough continues to deepen of the California coast this evening, with Utah under a southwesterly flow aloft. Moisture has increased today, having ...