Grass Lakes, UT Weather Forecast
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Grass Lakes Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Sunny | Mostly Clear | Partly Cloudy | Mostly Clear | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Hi: 60°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 55°FHi: 13°C Lo: 45°FLo: 7°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1243 AM MDT Sun Oct 04 2026 

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Issued: 1033 AM MDT Sun Oct 4 2026
Key Messages
- High pressure will keep conditions dry and mild over Utah and southwest Wyoming through Monday.
- A weak storm system will move through the area Tuesday, curbing the warming trend and bringing a low chance of showers to the higher terrain.
- A more active pattern may develop next weekend.
Discussion
...Not a cloud in the sky over Utah and southwest Wyoming this morning with strong high pressure centered near the Four Corners. It`ll be another dry and mild day with maxes averaging 10F above...
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