The National Weather Service issued a dense fog advisory at 11:35 a.m. on Saturday in effect until 4 p.m. for 5 Freeway through Grapevine.
The NWS Hanford CA states to anticipate, “Visibility down to 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 trip.
If you must drive in foggy conditions, keep

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