Expires:202601020000;;600412 FPUS56 KSEW 010931 ZFPSEW Zone Forecast Product for Western Washington National Weather Service Seattle WA 130 AM PST Thu Jan 1 2026 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Friday. WAZ310-020000- Lowlands of Western Whatcom County- Including the cities of Bellingham, Sumas, Blaine, and Lynden 130 AM PST Thu Jan 1 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY... .TODAY...Mostly cloudy. Widespread dense fog in the morning. Highs in the 40s. Light wind. .TONIGHT...Cloudy with a slight chance of rain in the evening, then cloudy with a chance of rain after midnight. Lows near 40. Light wind. .FRIDAY...Rain likely. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the mid to upper 40s. Light wind becoming east to 10 mph in the afternoon. .FRIDAY NIGHT...Rain at times. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the lower to mid 40s. East wind around 10 mph. .SATURDAY...Rain at times. Rainfall amounts a tenth to a quarter of an inch possible. Highs near 50. East wind 10 to 15 mph becoming southeast 10 to 20 mph in the afternoon. .SATURDAY NIGHT...Rain at times. Lows in the lower to mid 40s. .SUNDAY...Breezy. Rain at times in the morning, then rain likely in the afternoon. Highs near 50. .SUNDAY NIGHT...Rain likely. Lows in the lower 40s. .MONDAY...Mostly cloudy with rain likely in the morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the mid to upper 40s. .MONDAY NIGHT...Mostly cloudy with a chance of rain. Lows near 40. .TUESDAY...Mostly cloudy with a chance of rain in the morning, then mostly cloudy with rain likely in the afternoon. Highs in the mid to upper 40s. .TUESDAY NIGHT...Rain likely. Lows in the upper 30s. .WEDNESDAY...Rain likely. Highs in the mid 40s. && TEMPERATURE / PRECIPITATION Bellingham 44 39 46 / 20 60 60 Sumas 46 39 46 / 20 60 70 $$