Crossword clues for the word: HEATINDEX The word HEATINDEX has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for HEATINDEX Showing 1 to 7 of 7 results Clue(s) *Wind chill factor relative "Feels like" weather calculation Discomfort level indicator Humidity factors into it Summer number provided by the National Weather Service Summer weather measure (In this clue's answer, see the first 2 letters the last 1) Wind chill factor's opposite