Pittsburgh, PA – Drivers across western Pennsylvania should prepare for a wet and stormy Wednesday as heavy showers and isolated thunderstorms move in by early afternoon. Rainfall could impact travel across the region, especially along I-376 and other commuter routes through Pittsburgh, where flooding on low-lying roads is possible.
According to the National Weather Service, rain will begin after 2 p.m. Wednesday, intensifying through 8 p.m. East winds will shift south and increase to 10 mph, with gusts as high as 20 mph. Thunderstorm chances peak in the afternoon, and there’s a 90% chance of measurable rainfall. New rainfall amounts between a quarter and half an inch are expected.
Allegheny, Beaver, and Westmoreland counties may experience reduced visibility and slick conditions during evening rush hour. Residents should secure outdoor items, clear storm drains, and monitor alerts for localized flooding. Power outages could occur if strong winds down trees or lines.
By Wednesday night, showers will taper off with a 60% chance of continued rain. Thursday brings a brief break, with partly sunny skies and a high near 74°F, though a 30% chance of additional showers lingers into the evening.
Looking ahead, Friday may see showers after 2 p.m., with highs near 73°F. Saturday turns drier and cooler, while Sunday brings partly sunny skies and a summer-like 72°F. By Monday, full summer warmth returns with sunshine and highs near 80°F.
Showers remain likely through midweek – stay alert for updates and use caution on area roads.


