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St. Marks School Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY |
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| Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 51°FLo: 11°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Hi: 80°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 55°FLo: 13°C |
| POP: 10% | POP: 40% | POP: 40% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1243 PM MDT Mon Sep 14 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 240 PM MDT Mon Sep 14 2026
Key Messages
.KEY MESSAGES, Issued 107 PM MDT Mon Sep 14 2026...- Deep moisture will remain across southern Utah Tuesday, with a slight risk for excessive rainfall (level 2/4) in place for much of southern Utah.
- Deep moisture will shift north and west with time through the week. A marginal risk for excessive rainfall remains in place for much of southern and eastern Utah through Friday.
Discussion
, Issued 107 PM MDT Mon Sep 14 2026... As the upper level low associated with Sunday`s cold front shift...