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Denniston, KY Weather Forecast
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Denniston Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY |
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| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers | Showers Likely | Partly Cloudy | Partly Cloudy |
| Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C |
| POP: 30% | POP: 50% | POP: 30% | POP: 40% | POP: 50% | POP: 60% | POP: 70% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1052 AM EDT Sat Sep 19 2026 
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Issued: 1119 AM EDT Sat Sep 19 2026
Key Messages
- Well-above normal temperatures persist this weekend with near record values both days over the Cumberland River Basin.
- The heat, humidity, and a nearby frontal boundary could foster isolated to scattered thunderstorms across the area at various times over the next several days.
- Rain chances increase early next week as the persistent upper level ridging breaks down.
Aviation
...(For the 12Z TAFS through 12Z Sunday morning) ISSUED AT 745 AM EDT SAT SEP 19 2026
At the 12Z TAF issuance, low...