the gray fire zone. i would not be surprised if we have more fatalities as we re able to get into areas and investigate. reporter: at last word, that blaze 0% contained. this is one of the most challenging, difficult fires that washington state has seen because of the fuel load, the wind, and the heavy population reporter: the region s fires have already destroyed at least 300 structures, including homes. i started to remember all the treasures from family heirlooms that i ll never get back. reporter: and beyond the fire zone, officials warn smoke from these blazes as well as canadian wild fires are making air quality dangerous in more than half of washington state meanwhile, authorities urging people to evacuate the washington fire zones when told. we know properties can be rebuilt, possessions can be replaced, but lives are irreplaceable. reporter: with the unpredictable fire threat far from over.