heat wave
heatwave

At least 250 people died from the heat wave in the country.

At least 250 people died from the country's heat wave.

Until the summer of 2000 and the very first heat wave.

This was done in some areas during the 1976 heat wave, for example.

In other words, this heat wave is right on time.

It was almost the last day of May and a heat wave.

I turned toward the sound and walked through more heat waves.

First heat wave of the year doesn't hit until July.

"You're exactly the same in the middle of summer when there's a heat wave going on."

Still, summer looked a little better, until July, when the heat wave came.