The National Weather Service (NWS) Los Angeles/Oxnard, CA has issued a dense fog advisory effective until 9 a.m. The advisory covers the following areas:
The NWS warns that visibility may drop to one quarter of a mile or less due to dense fog.
"Visibility one quarter mile or less in dense fog."
"Low visibility could make driving conditions hazardous."
"If driving, slow down, use your headlights, and leave plenty of distance ahead of you."
This advisory is in effect until 9 a.m., as dense fog can create dangerous travel conditions. Drivers are urged to exercise caution or avoid travel if possible. If travel in foggy conditions is necessary, follow safety precautions carefully.
A dense fog advisory is issued when widespread fog reduces visibility to a quarter mile or less. Such conditions can severely impact travel safety.
Source: The National Weather Service
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Originally published on November 1, 2025, at 2:38 AM.
Author’s summary: A dense fog advisory remains in effect across Southern California coastal and inland areas until Saturday morning, urging drivers to take extra precautions for low visibility conditions.