SEATTLE — Seattle is set to see two separate shots of rainfall over the coming days, with the second system looking like it could bring the region’s first significant rainfall in months. The two systems are taking different approaches, with the first more scattered and convergence zone driven, while the second looks more widespread and longer lasting.
First Shot Brings Scattered Showers and a Convergence Zone Saturday
An upper level low will slide down from British Columbia Friday night into the North Sound Saturday morning, bringing scattered showers and possibly isolated thunderstorms. Most of the showers are expected north of Seattle along the I-5 corridor and the Olympic Peninsula, though the Seattle-Tacoma urban core remains under some risk of passing showers and rumbles of thunder…