No additional lowland snow expected as temperatures increase in western Washington Snow started falling up north early Monday and reached Seattle by Monday evening, stretching to Tacoma before rain showers returned. Author: KING 5 Staff Updated: 5:52 AM PST December 22, 2020 No additional lowland snow is expected today after a winter storm brought heavy rain and snow to the Puget Sound region on Monday. Snow began falling near the Canadian border early in the day, then spreading south to Mukilteo, Seattle and Tacoma in the evening. By about 9 p.m. Monday, snowfall had dissipated and rain showers returned, melting any accumulations. See photos and video on