On Wednesday at 7:38 a.m. an updated dense fog advisory was issued by the National Weather Service in effect until 10 a.m. for Foothills of the Northern Blue Mountains of Oregon.

The weather service states to expect, "Visibility as low as 1/4 mile in dense fog."

"Low visibility could make driving conditions hazardous," explains the weather service. "If driving, slow down, use your headlights, and leave plenty of distance ahead of you."

Navigating fog: Safety tips by the weather service

When a dense fog advisory is issued for your area, it means that widespread dense fog has developed and visibility can plummet to a quarter-mile or less. These conditions pose challenges for travel, so exercise extra caution on the road or consider postponing your trip if possible.

If driving through fo

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