Joan Lake, UT Weather Forecast
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Joan Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
| Partly Cloudy | Partly Cloudy | Rain and Snow | Rain and Snow | Rain/Snow Showers | Snow and Rain | Snow and Rain | Snow Showers | Chance of Snow | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 49°FHi: 9°C | Lo: 30°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 41°FHi: 5°C | Lo: 31°FLo: -1°C | Hi: 39°FHi: 4°C | Lo: 25°FLo: -4°C | Hi: 39°FHi: 4°C | Hi: 41°FHi: 5°C Lo: 25°FLo: -4°C | Hi: 41°FHi: 5°C Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C |
| POP: 30% | POP: 80% | POP: 60% | POP: 90% | POP: 100% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1241 AM MDT Thu Oct 29 2026 

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Issued: 1055 PM MDT Wed Oct 28 2026
Key Messages
- Remnant moisture from Tropical Depression Vance off the west coast of Mexico will interact with a shortwave on Friday to produce scattered convection, particularly across southern Utah, that will increase the risk of flash flooding.
- A more substantial storm arrives on Sunday as a broad trough in the PNW swings into the Great Basin and phases with the southern jet stream that will be bringing more tropical moisture from a disturbance near Hawaii.
- Cooler air moves in behind a strong co...
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