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| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Thunderstorms | Chance of T-Storm | Mostly Cloudy | Chance of T-Storm | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Hi: 85°FHi: 29°C Lo: 51°FLo: 11°C | Hi: 85°FHi: 29°C Lo: 51°FLo: 11°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Lo: 65°FLo: 18°C |
| POP: 90% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 148 PM EDT Sat Sep 12 2026 
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Issued: 142 PM EDT Sat Sep 12 2026
Key Messages
1) A Flood Watch remains in effect for most of the forecast area until 1 AM EDT tonight.
2) Additional chances for showers and thunderstorms remain forecast for Sunday as a cold front moves in from the northwest.
Discussion
... KEY MESSAGE 1...
15Z upper air analysis depicts a progressive troughing pattern across the eastern half of North America, featuring a longwave trough pivoting into Ontario and a shortwave trough ejecting into the TN River Valley. The latter feature is beginning to...