West Seattle, Washington
Put his litter box outside by your door with several items of your worn clothing so the scent helps draw him home. Look outside late pm and early am as they tend to hide during day.👃
Also, look around your house. This sounds obvious, but look in closets, behind, and under things etc… Our cat was missing for several days and I found him in our basement pantry where I had apparently shut him in accidentally. I hope you find him.