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Flat Canyon Rapids Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Chance of Rain | Chance of Rain | Showers Likely | Chance of Rain | Rain/Snow Showers | Rain and Snow | Chance of Snow | Partly Cloudy |
| Hi: 51°FHi: 11°C | Lo: 30°FLo: -1°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 40°FHi: 4°C | Lo: 29°FLo: -2°C | Hi: 40°FHi: 4°C | Hi: 45°FHi: 7°C Lo: 25°FLo: -4°C |
| POP: 20% | POP: 50% | POP: 60% | POP: 80% | POP: 100% | POP: 80% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1241 AM MDT Wed Oct 28 2026 
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Issued: 522 AM MDT Wed Oct 28 2026
Key Messages
.KEY MESSAGES, Issued 1021 PM MDT Tue Oct 27 2026...- Generally dry and seasonable conditions will persist through Thursday, with a weak grazing system tonight bringing light precipitation to northern Utah and southwest Wyoming.
- Moisture will increase over the area beginning Friday, bringing an increasing threat of flash flooding. The area will see a more substantial increase in moisture and instability and thus the potential for flooding Sunday into Monday as a strong Pacific storm c...