Triangle Reservoir, CO Weather Forecast
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Triangle Reservoir Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy |
| Hi: 71°FHi: 22°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 | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C |
| POP: 60% | POP: 50% | POP: 60% | POP: 30% | POP: 60% | POP: 70% | POP: 20% | POP: 20% | POP: 20% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1233 PM MDT Sat Aug 29 2026 

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Issued: 1247 PM MDT Sat Aug 29 2026
Key Messages
- Strong to Severe thunderstorms remain a threat this afternoon for northeast UT and northwest CO, including small hail and strong winds.
- Flash flooding remains a threat today through Monday as organized and training thunderstorms produce saturated soil conditions and excessive runoff.
- Cooler Temperatures arrive across the region this week.
- A downturn in moisture develops Tuesday, but concern for additional rainfall associated with extra-tropical moisture returns Wednesday.
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