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Grassflat Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Partly Sunny | Partly Cloudy | Sunny | Patchy Fog | Patchy Fog | Partly Cloudy | Partly Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C |
| POP: 70% | POP: 50% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 730 AM EDT Fri Sep 04 2026 
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Issued: 505 AM EDT Fri Sep 4 2026
Key Messages
1) One more round of strong to severe storms this afternoon and evening, primarily affecting southwest Pennsylvania.
2) Dry, less humid weather returns for Saturday and lasts through Labor Day Weekend.
Discussion
... KEY MESSAGE 1: One more round of strong to severe storms this afternoon and evening, primarily affecting southwest Pennsylvania.
The ring of fire pattern persists today as a stubborn ridge of high pressure persists across the Central and Southeast US. Pockets of energy ridin...