The National Weather Service has issued a dense fog advisory for the Tri-Cities and has extended the air stagnation advisory through 10 a.m. Tuesday.
However, the end to the inversion over the Mid-Columbia and persistent fog may be in sight. The weather service predicts that a change in the weather pattern could bring some precipitation and an end to stagnant conditions Wednesday.
But until then, expect dense or patchy fog in the Mid-Columbia, possibly freezing on roadways overnight.
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Dense fog has reduced visibility to less than a half mile, according to the National Weather Service.
A dense fog advisory is in effect until noon today, reducing visibility to a quarter of a mile or less, according to the National Weather Service.
A break from the rain for the next week or so comes with a cost: ice, fog and colder than usual weather.
Occasional flurries and freezing drizzle are possible in the Tri-Cities after 10 a.m. today through tonight, according to the National Weather Service.
Patchy freezing fog is in the forecast for the rest of the week and into early next week as strong inversions below 3,000 feet persist for the Mid-Columbia, according to the weather service.
With the inversion trapping air near the surface, air quality may worsen over time as smoke and other particulates remain in a shallow layer at the surface, it said.
FERNDALE - City officials have requested increased police patrols on Main Street to deter drivers from crossing the solid-white fog line before turning onto Church Road.
Drivers have been crossing the fog line illegally to use the shoulder of the road as a right-turn lane. This can lead to a collision with vehicles staying in the legal lane before turning, city officials said.
When weather permits this winter, crews will create a turn lane to eliminate confusion, city project manager Katy Radder said. In the spring, crews will complete the Main Street widening project from Douglas to Church Road by laying down the final layer of asphalt and adding the final striping.
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