Period of Intense Warmth; Can Be Deadly
This page is the CodyCross answer for the clue below from Seasons, Group 64, Puzzle 3 (Extra Daylight).
Question is: Period of Intense Warmth; Can Be Deadly
and the answer is: HEATWAVE
Word Meaning:
HEAT WAVE — (idiomatic) A period of exceptionally hot weather.
Definitions from Wiktionary.