This article was updated when NWS issued a revised forecast at 10pm Saturday.
The National Weather Service (NWS) in Seattle issued a Winter Weather Advisory with snow is in the forecast.
The advisory is in effect from
3am 4am to noon 4pm tomorrow, Sunday. Snow is expected to begin falling late tonight and before sunrise into Sunday in western Whatcom and Skagit Counties along with San Juan County as a warm front moves past. 1 to 2 inches of snow is expected turning to rain when temperatures warm up sometime in the evening.
Breezy southerly winds are expected to bring temperatures up into the upper 30s to mid 40s Sunday
afternoon evening, marking the first time in several days temperatures will rise above freezing. There is a slight possibility for temperatures to break into the 50s on Monday.
South winds of 15 to 30mph with gusts to 45mph are expected Sunday evening into Monday.
An alternative forecast provided by BestForecast™ expects snow to continue falling into the late afternoon Sunday and for temperatures to stay below freezing until about 6pm. The warmest it is expected to get on Monday is 40° according to BestForecast.