Mud Spring Reservoir Number 1, UT Weather Forecast
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Mud Spring Reservoir Number 1 Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear |
| Lo: 40°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C |
| POP: 50% | POP: 100% | POP: 90% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1111 PM MDT Sun Sep 27 2026 

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Issued: 1039 PM MDT Sun Sep 27 2026
Key Messages
- Widespread heavy rainfall influenced by a strong upper-level low and deep tropical moisture brings a heightened risk for flash flooding across central and southern Utah starting Monday morning, continuing into Tuesday.
- High pressure quickly moves in mid-week, with dry and mild conditions persisting through the weekend.
Discussion
...An upper trough continues to deepen of the California coast this evening, with Utah under a southwesterly flow aloft. Moisture has increased today, having ...
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