Sunnyside, UT Weather Forecast
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Sunnyside Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Mostly Clear | Partly Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Rain | Rain/Snow Showers | Partly Cloudy | Chance of Snow | Snow and Rain | Rain and Snow |
| Hi: 49°FHi: 9°C | Lo: 30°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 40°FHi: 4°C | Lo: 30°FLo: -1°C | Hi: 40°FHi: 4°C | Lo: 29°FLo: -2°C |
| POP: 100% | POP: 80% | POP: 80% | POP: 30% | POP: 60% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 215 AM MST Sat Nov 14 2026 

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Issued: 1048 PM MST Fri Nov 13 2026
Key Messages
- Precipitation becomes more widespread overnight with snow levels dropping to ~6500 feet behind a cold front that arrives Saturday morning, bringing a line of heavier precipitation.
- Accumulating snow is expected in all mountain areas, especially above 8000 feet, and a Winter Weather Advisory is in effect across the southern mountains.
- Two colder storms arrive next week with the potential for some valley snowfall.
Discussion
...A negatively-tilted trough is making its way across the west...
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