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Mormon Gap Reservoir Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY |
 |  | | | |  |  | | | | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Clearing | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 79°FHi: 26°C | Lo: 41°FLo: 5°C | Hi: 80°FHi: 27°C | Lo: 45°FLo: 7°C | Hi: 85°FHi: 29°C | Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C | Hi: 85°FHi: 29°C Lo: 50°FLo: 10°C | Hi: 85°FHi: 29°C Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1243 AM MDT Wed Sep 30 2026 
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Issued: 1056 PM MDT Tue Sep 29 2026
Key Messages
- Wrap-around rain showers continue across far southeast Utah tonight before moving out of the region Wednesday morning.
- High pressure develops across the western US through the latter half of the week, resulting in a gradual warming trend through the weekend.
- While chances remain low at this time (~20% or less), there is potential for moisture to return to southern Utah early next week.
Discussion
...An upper-level low continues to progress eastward across Arizona this evening, eventual...