Dense fog advisory affecting Los Angeles County Friday morning

Dense Fog Advisory in Los Angeles County

The National Weather Service (NWS) Los Angeles/Oxnard issued a dense fog advisory for parts of Los Angeles County on Friday morning, November 7, 2025, starting at 6:17 a.m.

Affected Areas

Western San Fernando Valley
Eastern San Fernando Valley
Los Angeles

Visibility and Driving Conditions

The NWS warns of visibility reduced to one quarter mile or less due to dense fog.

"Low visibility could make driving conditions hazardous."

Drivers are advised to slow down, switch on headlights, and maintain a safe distance from vehicles ahead.

Advisory Duration

This advisory is in effect until 9 a.m.

Safety Recommendations

A dense fog advisory is issued when widespread dense fog lowers visibility severely, often to a quarter mile or less, making travel dangerous. If driving in these conditions:

Drive cautiously and at reduced speeds
Use headlights (not high beams)
Keep a larger following distance
Consider postponing travel if possible

"If driving, slow down, use your headlights, and leave plenty of distance ahead of you." — National Weather Service

About the Advisory

This information was originally published at 6:21 a.m. on November 7, 2025, and includes AI-assisted content reviewed by journalists.

Summary: A dense fog advisory warns of very low visibility in Los Angeles County, urging drivers to use caution and follow safety measures to prevent hazardous conditions.

The Sacramento Bee — 2025-11-07