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Marian School Weather Forecast
| REST OF TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | | | |  |  |  |  | |
| Partly Cloudy | Mostly Cloudy | Partly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 40% | POP: 70% | POP: 70% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 953 AM EDT Sun Aug 30 2026 
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Issued: 827 AM EDT Sun Aug 30 2026
Key Messages
1) Increasing heat and humidity through mid week
2) Periodic shower and thunderstorm chances north of Pittsburgh tonight and continuing early this week, expanding across the entire area by mid week. Severe storms are also possible by mid week.
Discussion
... KEY MESSAGE 1... Model ensembles indicate a ridge will build slowly eastward from the Central CONUS through mid week. The increasing 500mb heights, and S`rly flow, will begin the increase in heat and humidity later today. The contin...