Onshore flow is keeping our mid-August weather comfortable across Western Washington, but changes are on the way for Wednesday. It will be cool with increasing clouds Wednesday morning in Western Washington. (FOX 13 Seattle)Cooler, more unsettled weather on WednesdayAn incoming system to the north will bring cooler temperatures and increase the chance for showers over the mountains on Wednesday afternoon. Western Washington smoke outlookThe weather pattern through Thursday doesn't currently point toward a major, widespread smoke event in Western Washington, though we could see some light surface-level smoke from Canadian wildfires Wednesday night into Thursday. (FOX 13 Seattle)Wildfire, air quality east of the CascadesThe trough moving through Wednesday will bring cooler temperatures and unsettled weather to Central and Eastern Washington.