Weather World
St. Sylvester School, PA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
St. Sylvester School Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  | | | | |  |  | |
| Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Clear | Mostly Sunny |
| Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 40% | POP: 50% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 803 PM EDT Mon Aug 31 2026 
St. Sylvester School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
St. Sylvester School Weather Map
St. Sylvester School Quick Facts
St. Sylvester School Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 707 PM EDT Mon Aug 31 2026
Key Messages
1) Additional shower and thunderstorm chances at times through late week, with some possibility for severe storms.
2) Heat and humidity build through mid week
Discussion
... KEY MESSAGE 1... A ridge is expected to build eastward from the Central CONUS through mid week. The highest 500mb heights are progged to be across the Lower Ohio Valley region on Wednesday. As the ridge builds eastward, shortwaves are expected to track along the northern/northeastern periphery of the ridge, crossing...