The National Weather Service released a dense fog advisory at 7:58 a.m. on Wednesday in effect until 10 a.m. for Foothills of the Northern Blue Mountains of Oregon.

The weather service states to expect, "Visibility of one-quarter mile or less in dense fog."

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

Fog safety: Tips from the weather service for safe travels

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 you must venture ou

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