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Jonancy Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Fog | Chance of T-Storm | Chance of Showers | Showers Likely | Chance of T-Storm | Clearing | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C Lo: 69°FLo: 21°C |
| POP: 50% | POP: 40% | POP: 60% | POP: 60% | POP: 40% | POP: 40% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 142 AM EDT Thu Sep 17 2026 
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Issued: 150 AM EDT Thu Sep 17 2026
Key Messages
- Above normal temperatures persist into the weekend, with near- record heat possible this afternoon.
- The heat and humidity could fuel isolated thunderstorms across the area at times over the next several days.
- Rain chances increase early next week as the upper level ridge starts to weaken and then retreat.
Aviation
...(For the 06Z TAFS through 06Z Thursday night) ISSUED AT 150 AM EDT THU SEP 17 2026
VFR conditions will prevail through much of the TAF period. Valley fog will mix out aroun...