The only example of simile in "The Lottery"—and a particularly weak one at that—is when Mrs. Hutchinson taps Mrs. Delacroix on the arm "as a farewell." This could reasonably be interpreted as a simile in that two dissimilar things are being compared using the word "as."
In terms of metaphor, the black box used to draw the "winning" names represents death. Again, death and a black box are two completely dissimilar things, yet in the overall context of the story, the box is a metaphor for death because the unfortunate individuals whose names are chosen from it will be sacrificed as part of this annual pagan ritual.
Old Man Warner can be seen as a metaphor for unthinking devotion to tradition. At no point has he ever stopped to consider the sheer, unadulterated barbarism of the ritual in which he's been such an enthusiastic participant over the years. In fact, Old Man Warner has become so deeply attached to the lottery tradition that he thinks it outrageous that the younger generation in...
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