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| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| 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 | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Hi: 87°FHi: 31°C | Lo: 69°FLo: 21°C | Hi: 87°FHi: 31°C | Lo: 65°FLo: 18°C | Hi: 83°FHi: 28°C | Lo: 65°FLo: 18°C | Hi: 83°FHi: 28°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 73°FHi: 23°C | Lo: 59°FLo: 15°C |
| POP: 50% | POP: 40% | POP: 20% | POP: 20% | POP: 60% | POP: 30% | POP: 70% | POP: 50% | POP: 90% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 243 PM EDT Fri Sep 18 2026 
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Issued: 240 PM EDT Fri Sep 18 2026
Key Messages
Updated at 238 PM EDT Fri Sep 18 2026- Well above normal temperatures to persist through early next week. Heat Indices will remain in the upper 90s to lower 100s across the central east TN and southern TN valley through Monday.
- Temps cooling towards normal at the end of the forecast period, mid to late next week.
- Increasing rain chances this weekend into next week, similar to a typical summer pattern. Better chances for more widespread rain by Tue/Wed.
Discussion
... Issued at 238 PM ED...