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Onion Creek Rapids, UT Weather Forecast
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Onion Creek Rapids Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  |  | | | | | |  | |
| Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of T-Storm |
| Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Hi: 91°FHi: 33°C Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C Lo: 61°FLo: 16°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C |
| POP: 70% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 222 AM MDT Mon Aug 31 2026 
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Issued: 534 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.