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Harper Lake, TN Weather Forecast
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Harper Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  |  |  | | | | | |  | | |
| Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C |
| POP: 20% | POP: 70% | POP: 70% | POP: 70% | POP: 50% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 133 PM CDT Wed Sep 09 2026 
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Issued: 1234 PM CDT Wed Sep 9 2026
Key Messages
Updated at 1230 PM CDT Wed Sep 9 2026- A Heat Advisory remains in effect for northwest Middle TN until 8 PM for heat indicies near 105 degrees.
- Above-normal temperatures will continue with highs in the lower 90s for most areas through the rest of this week and next week.
- A wetter pattern kicks off Thursday through the weekend.
Aviation
... (18Z TAFS) Issued at 1230 PM CDT Wed Sep 9 2026
VFR conditions persist this taf cycle. Southwesterly winds will remain breezy through the afternoon wi...