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Allegheny Church, TN Weather Forecast
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| Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 67°FLo: 19°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 87°FHi: 31°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 20% | POP: 30% | POP: 30% | POP: 40% | POP: 50% | POP: 50% | POP: 70% | POP: 50% | POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 706 AM EDT Fri Sep 18 2026 
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Issued: 702 AM EDT Fri Sep 18 2026
Key Messages
Updated at 129 AM EDT Fri Sep 18 2026- Well above normal temperatures to persist through early next week. Cooling towards normal by end of the forecast period mid to late week.
- Increasing rain chances for the higher terrain this weekend into early next week with the valley least likely to see rain, similar to a typical summer pattern.
Discussion
... Issued at 129 AM EDT Fri Sep 18 2026
The anomalous ridge axis is located near or just west of the Mississippi this morning. It will become c...