Preheat oven to 350°F. Reserve 1 Tbsp. cream cheese and spread remaining cream cheese evenly in an 8-inch oval baking dish. Spread salsa over cream cheese. Sprinkle with grated Cheddar. Bake until cheese is melted, about 15 minutes. Let cool slightly.
Place a dab of cream cheese on one end of each celery stick and press a sliced almond into cream cheese. Arrange celery fingers on platter and serve with hot dip.