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Willow Reservoir Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C |
| POP: 20% | POP: 60% | POP: 60% | POP: 20% | POP: 40% | POP: 30% | POP: 60% | POP: 30% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 402 PM MDT Tue Aug 25 2026 
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Issued: 618 PM MDT Tue Aug 25 2026
Key Messages
- This week will see daily afternoon thunderstorm chances, mainly on the higher terrain of western Colorado and eastern Utah.
- Localized heavy rainfall continues to pose a threat to flash flooding over burn scars and susceptible terrain.
- Daytime highs will run ~5 to 10 degrees above normal to start the week and will gradually increase through Friday.
Discussion
... Issued at 1023 AM MDT Tue Aug 25 2026
High pressure will continue to slide westward into the Desert Southwest through the end ...