Lake Mattie, FL Weather Forecast
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Lake Mattie Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Thunderstorms | Chance of T-Storm | Thunderstorms | Chance of T-Storm | Thunderstorms |
| Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C |
| POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 40% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 217 PM EDT Thu Aug 20 2026 

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Lake Mattie Forecast Discussion
Issued: 816 PM EDT Thu Aug 20 2026
Key Messages
- Hot and humid conditions continue, with heat indices just below to near advisory criteria on Friday.
- Moisture gradually continues to increase, leading to greater chances for showers and thunderstorms, especially as the weekend approaches.
Discussion
... Issued at 224 PM EDT Thu Aug 20 2026 Scattered showers and storms continue to make their way eastward across the region and should be mostly out of the forecast area by this evening. Flow becomes more west-...
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