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Patterson Reservoir, CO Weather Forecast
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Patterson Reservoir Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
 |  | |  | | |  |  | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C |
| POP: 20% | POP: 30% | POP: 30% | POP: 20% | POP: 30% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1233 PM MDT Mon Aug 31 2026 
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Issued: 1154 AM MDT Mon Aug 31 2026
Key Messages
- Scattered to widespread precipitation chances return Monday, with higher coverage of precipitation across southeast UT and southwest CO than previous days.
- Flash Flooding will continue to be possible as organized and training thunderstorms can produce heavy rainfall over a short period of time.
- Areas of concern for flash flooding will be those of increasingly saturated soils, recent burn scars, and steep terrain.
- Seasonable temperatures return for the first half of the week.