Seattle, WA (November 12, 2025) – The National Weather Service in Seattle has issued a warning for patchy dense fog across the Southwest Interior, extending north through Tacoma. Drivers are urged to exercise caution as visibility may suddenly drop in affected areas.
Motorists are advised to use low-beam headlights, maintain safe distances between vehicles, and reduce speed, especially when traveling across bridges and valleys, where fog can be thicker and more persistent.
The NWS emphasized that fog conditions may vary rapidly, catching drivers off guard. Commuters are encouraged to allow extra travel time and stay alert to changing road conditions.
For the latest updates, visit weather.gov or follow @NWSSeattle on social media.
Patchy dense fog is present across the Southwest Interior up through Tacoma. Be sure to drive with low beams and keep a safe distance between the vehicle in front of you! #wawx pic.twitter.com/Oegcl3Gtfn
— NWS Seattle (@NWSSeattle) November 11, 2025