Sumner, WA Weather Forecast

Aviation

... Westerly flow aloft will shift southwesterly and increase today as an upper trough digs southward into the Washington offshore waters. Areas of LIFR low clouds and surface visibilities below 3SM along the coast and across the Southwest Interior will dissipate by around 18Z as high and mid level moisture increases areawide ahead of the incoming system. Ceilings will lower to MVFR in light rain at times along the coast and across the far North Interior by around 00Z. After low clouds d...