Brace yourself, Pittsburgh—an early dose of autumn chills and showers is heading your way, courtesy of a stubborn upper-level system. The National Weather Service in Pittsburgh advises to expect a mix of hit-and-miss thunderstorms and cooler air as the week unfolds.
A few isolated showers, which were hanging around this morning, are just a light prelude to the more extensive convection scheduled for the afternoon. And while this Sunday may not be lazy—and someone certainly won't enjoy a dry afternoon—the hazards from these thunderstorms should remain at the low end. According to the forecast discussion, Instability will be limited with the near unidirectional flow, so the severe potential is low.
As folks in Pittsburgh say goodbye to the weekend, they'll also bid farewell to warmer temperatures. Post sundown, the region will be on a direct path under a northwest current, dragging in breezes that could make Monday's temperatures feel like a flashback to mid-spring, dropping as low as the 60s during the day and further down into the 50s overnight. To put it bluntly, swimming plans are effectively nixed.
For those looking to the skies for some sense of what's ahead, the aviation outlook is straightforward. VFR conditions—that's 'Visual Flight Rules' for the uninitiated—should settle in by Tuesday, providing a steady cadence of largely uninterrupted air travel after a bout of periodic restrictions and showers and thunderstorms that could linger through early Monday.
