The dense fog advisory for Oregon Lower Treasure Valley is likely to expire at 9 a.m.

The advisory was in place for Oregon Lower Treasure Valley.

"Dense fog has become patchy across the advisory area, with continued dissipation anticipated. The advisory will be allowed to expire," adds the National Weather Service.

Navigating fog: Safety tips by the weather service

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 in fog becomes unavoidable, remember these safety tips:

Reduce speed:

Slow down and allocate extra time for your trip to reach your destination safely.

Visibility matters:

Ensure your vehicle is visible to ot