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Flat Lake Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | |  |  |  | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm |
| Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C |
| POP: 10% | POP: 20% | POP: 20% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1244 PM MDT Sat Aug 15 2026 
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Issued: 556 PM MDT Sat Aug 15 2026
Key Messages
.KEY MESSAGES, Issued 1239 PM MDT Sat Aug 15 2026...
- Isolated thunderstorms are expected across southwestern and northeastern Utah this afternoon and evening. Locally heavy rain will be possible with any thunderstorms across southwestern Utah, though the flash flood threat is lower than prior days.
- Elevated to locally critical fire weather conditions will occur across central and southern Utah Tuesday into Wednesday.
Discussion
, Issued 1239 PM MDT Sat Aug...