Grass Lake, UT Weather Forecast
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Grass Lake Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY |
| Mostly Clear | Chance of T-Storm | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Rain/Snow Showers | Rain/Snow Showers |
| Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 51°FHi: 11°C | Lo: 41°FLo: 5°C | Hi: 49°FHi: 9°C | Lo: 40°FLo: 4°C | Hi: 45°FHi: 7°C | Lo: 35°FLo: 2°C | Hi: 41°FHi: 5°C |
| POP: 20% | POP: 70% | POP: 100% | POP: 90% | POP: 90% | POP: 90% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 952 PM MDT Wed Oct 07 2026 

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Issued: 1050 PM MDT Wed Oct 7 2026
Key Messages
.KEY MESSAGES, Issued 1008 PM MDT Wed Oct 7 2026...- Widespread moderate to heavy rainfall threat increases late Saturday through Tuesday as a remnant tropical system and associated deep moisture lift through and interact with an approaching trough. Widespread water amounts of 1 to 2 inches are forecast, with locally higher amounts in excess of 3 inches possible in areas of southern Utah and high terrain.
- Per the National Hurricane Center track, Hurricane Rachel is favored to weaken f...
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