A major wildfire has erupted in Washington state, prompting the evacuation of 5,000 homes. The blaze comes as a dangerous heat dome grips the Western United States, with temperatures reaching 47 degrees Celsius in some areas. The extreme heat is exacerbating dry conditions, contributing to the rapid spread of the fire. Authorities have not yet determined the cause of the wildfire but warn of continued high fire risk. Residents are urged to heed evacuation orders and stay informed about changing conditions. The situation highlights the increasing threat of wildfires linked to climate change and extreme weather events.