The National Weather Service released a dense fog advisory at 5:30 a.m. on Monday in effect until noon for 5 freeway through Grapevine.
The NWS Hanford CA says to expect, “Visibility less than one mile 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.”
Navigating fog: Safety tips by the NWS
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 driving through fog becomes inevitable, remember these safety guidelines:

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