North Bay Interior Valleys and East Bay Interior Valleys were placed under a dense fog advisory by the National Weather Service on Saturday at 4:31 a.m. The advisory is in effect until 11 a.m.

The NWS San Francisco CA adds to expect, “Visibility one quarter mile or less in dense fog.”

“Low visibility could make driving conditions hazardous,” according to the NWS. “If driving, slow down, use your headlights, and leave plenty of distance ahead of you.”

Guidance from the NWS for navigating foggy conditions

If a dense fog advisory is issued for your area, it means that widespread dense fog has developed and visibility often drops to just a quarter-mile or less. These conditions can make driving challenging, so exercise extreme caution on the road, and if possible, consider delaying your tr

See Full Page