Answer: heatwave

AnswerCrossword Clue
HEATWAVE

Torrid weather

HEATWAVE

When air-conditioners really hum

HEATWAVE

Sweltering weather spell

HEATWAVE
Spell of sultry weather
HEATWAVE
A big one hit Russia in summer 2010
HEATWAVEStretch in the 90's, say
HEATWAVESummer weather phenomenon
HEATWAVEDog days phenomenon
HEATWAVESummer occurrence
HEATWAVEWeather words
HEATWAVEAugust topic.
HEATWAVESummer event.
HEATWAVESweltering event
HEATWAVEWhen many fans come out
HEATWAVERun of 95-degree days
HEATWAVEHot time
HEATWAVECrop threatener
HEATWAVEStretch in the 90s, say
HEATWAVEDog days event
HEATWAVESultry stretch
HEATWAVESizzling spell
HEATWAVEStretch in the 90s, e.g.
HEATWAVESweltering period
HEATWAVESummer phenomenon