Castle Valley, UT Weather Forecast
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Castle Valley Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Chance of Showers | Mostly Clear | Mostly Clear |
| Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 95°FHi: 35°C Lo: 65°FLo: 18°C | Hi: 95°FHi: 35°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 603 PM MDT Tue Sep 08 2026 

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Issued: 551 PM MDT Tue Sep 8 2026
Key Messages
- Isolated showers, maybe a quick storm, will remain possible over the San Juans and along the Continental Divide this afternoon.
- High temperatures will be around 5 to 10 degrees above seasonal norms through most of the week.
Discussion
... Issued at 1216 PM MDT Tue Sep 8 2026
DRY THROUGH THURSDAY:
High pressure building to our south will support a shift from southwesterly to more west/northwesterly flow by tomorrow. The shift to more zonal flow will bring drier air to the region. The drie...
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