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Big Canyon Rapids Weather Forecast
| OVERNIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Partly Cloudy | Chance of T-Storm | Mostly Clear | 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: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Hi: 81°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C Lo: 55°FLo: 13°C |
| POP: 10% | POP: 20% | POP: 20% | POP: 20% | POP: 30% | POP: 20% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1013 PM MDT Mon Aug 17 2026 
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Big Canyon Rapids Forecast Discussion
Issued: 1138 PM MDT Mon Aug 17 2026
Key Messages
- A frontal boundary promises additional showers mainly over high terrain Tuesday and Wednesday with gusty afternoon winds.
- A warming trend will continue. Triple digits will remain confined to the Four Corners and low desert valleys.
- Monsoonal flow begins to appear in model outputs this weekend.
Discussion
... Issued at 1040 PM MDT Mon Aug 17 2026
High pressure is building into the southwest, with a ridge developing across the Great Basin. Flow aloft has turn...