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Pinnacle Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  | | | |  |  |  | | | |
| Chance of Showers | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny |
| Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C |
| POP: 40% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1027 PM CDT Mon Aug 17 2026 
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Issued: 627 PM CDT Mon Aug 17 2026
Key Messages
Issued at 626 PM CDT MON AUG 17 2026
- Heat: Major HeatRisk is expected to persist through the middle of the workweek. Heat indices are forecast between 103 to 109 degrees. A Heat Advisory is now in effect for portions of central Alabama on Tuesday.
- Thunderstorms: Isolated afternoon thunderstorms will remain in the forecast through Thursday, especially south of I-20. More organized rain chances will increase closer to the weekend, as a series of disturban...