5 Freeway through Grapevine was placed under a dense fog advisory by the National Weather Service on Friday at 6:54 p.m. The advisory is in effect until Saturday Dec. 13, at 11 a.m.

“Visibility one quarter mile or less in dense fog for elevations between 1,000 and 2,500 feet,” can be expected according to the NWS Hanford CA . “Mountain Highways included but not limited to: 41, 58, 152, 168, 198 and Interstate 5. With little change in conditions, the dense fog will remain all day.”

“Sudden encounter of low visibility could make driving conditions hazardous,” the NWS said. “If driving, slow down, use your headlights, and leave plenty of distance ahead of you.”

The full list of affected locations includes:

5 Freeway through Grapevine

West Side Mountains north of 198

Coalinga – Avenal

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