Crossword clues for the word: HEATWAVES The word HEATWAVES has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for HEATWAVES Showing 1 to 5 of 5 results Clue(s) "Stretches in the high 90s, say" Scorching times Single by 29-Across that took 59 weeks to hit #1 in 2022: 2 wds. Summer episodes with lots of fans Sweater days?