North Bay Interior Valleys under a dense fog advisory until Friday morning

Dense Fog Advisory for North Bay Interior Valleys

On Friday, the National Weather Service (NWS) San Francisco, CA, issued a dense fog advisory for the North Bay Interior Valleys. This advisory remains in effect until 10 a.m.

Fog Conditions and Visibility

The NWS warns that visibility will be reduced to one quarter of a mile or less in the dense fog.

"Visibility one quarter mile or less in dense fog."

Driving Safety Recommendations

The dense fog could create hazardous driving conditions. The NWS advises the following precautions:

"Low visibility could make driving conditions hazardous."

Advisory Details

A dense fog advisory is issued when widespread dense fog develops, commonly reducing visibility to one-quarter of a mile or less. Such conditions can make travel challenging, so drivers should exercise caution or avoid driving if possible.

Safety Tips If You Must Drive in Fog

Source: The National Weather Service

Author's Summary

Dense fog significantly reduces visibility in North Bay Interior Valleys until Friday morning, urging motorists to drive cautiously or avoid travel when possible.

more

The Sacramento Bee The Sacramento Bee — 2025-11-07