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Arsenal Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY |
 |  | | | | |  |  |  | | | |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Showers Likely |
| Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C |
| POP: 40% | POP: 70% | POP: 70% | POP: 70% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1245 PM MDT Tue Oct 06 2026 
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Issued: 112 PM MDT Tue Oct 6 2026
Key Messages
.KEY MESSAGES..- Isolated to widely scattered showers and thunderstorms will impact portions of central and southern Utah through this evening. Gusty outflow winds in excess of 40 mph and brief heavy rain will be the main threats.
- A strong Pacific storm system will combine with deep tropical moisture from now Hurricane Rachel to bring the threat of widespread heavy rain to much of Utah as early as late Saturday through at least Tuesday night.
- Current guidance suggests much of Utah wil...