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| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  |  | | |  | | |  |  |
| Mostly Sunny | Mostly Clear | Partly Sunny | Chance of Showers | Showers Likely | Showers Likely | Mostly Sunny | Partly Cloudy | Showers Likely | Showers Likely | Chance of T-Storm | Chance of T-Storm |
| Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 50% | POP: 70% | POP: 70% | POP: 60% | POP: 60% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1030 AM EDT Tue Aug 18 2026 
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Main School Forecast Discussion
Issued: 632 AM EDT Tue Aug 18 2026
Key Messages
1) Patchy dense fog this morning gives way to a mostly sunny and dry day.
2) An unsettled but not particularly wet period is expected mid to late week.
Discussion
... KEY MESSAGE 1: Patchy dense fog this morning gives way to a mostly sunny and dry day.
Dewpoints are still in the mid 60s to low 70s this morning. Mostly clear skies and light winds have resulted in thick fog in the typical valley locations across northwest PA. The valley fog is accompanied by s...