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Sinclair Lake Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Mostly Cloudy | Chance of Showers | Chance of T-Storm | Showers | Chance of T-Storm | Showers Likely | Chance of Showers |
| Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 20% | POP: 40% | POP: 80% | POP: 80% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 PM CDT Sun Sep 27 2026 
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Issued: 136 PM CDT Sun Sep 27 2026
Key Messages
Issued at 134 PM CDT Sun Sep 27 2026- Temperatures will remain above normal through the first half of the week.
- Increasing rain chances by mid-week with heavy rainfall and localized flooding possible the latter part of next week.
- Minor coastal flooding possible starting early next week.
Discussion
... Issued at 134 PM CDT Sun Sep 27 2026
Heat remains a concern through the first half of the week with above normal temperatures continuing under a persistent ridge of high pressure. The high ...