Washington Moderate Dense Fog Advisory | Effective 10/05/2026 03:58

Headline: 
Dense Fog Advisory issued October 5 at 3:58AM PDT until October 5 at 12:00PM PDT by NWS Seattle WA
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
October 5, 2026 - 3:58am
Expires: 
October 5, 2026 - 12:00pm
Description: 
* WHAT...Areas of visibility one half mile or less in dense fog. * WHERE...Island County, Lowlands of Western Skagit and Northwestern Snohomish Counties, San Juan County, and Downtown Everett / Marysville Area. * WHEN...Until noon PDT today. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
San Juan County; Lowlands of Western Skagit and Northwestern Snohomish Counties; Downtown Everett / Marysville Area; Island County
Forcast Office: 
NWS Seattle WA
Sender: 
w-nws.webmaster@noaa.gov