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City of Roy, UTRoy, UT Weather Forecast
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| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
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| Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C |
| POP: 30% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1241 AM MDT Sat Sep 05 2026 
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Issued: 651 AM MDT Sat Sep 5 2026
Key Messages
.KEY MESSAGES, Issued 1038 PM MDT Fri Sep 4 2026...- Gusty winds out of the southwest persist through at least Sunday across much of Utah and southwest Wyoming, with an emphasis on areas west of I-15.
- Tropical moisture advects north into Utah Sunday increasing chances for precipitation, but uncertainty remains regarding QPF totals.
- There is a slight risk for flash flooding along with the potential for some strong thunderstorms.
- There is ~45% chance that tropical moisture returns towar...