1.It's stifling! I can hardly breathe.
2.I can't bare the heat; I am leaking!
3.It's hot enough to melt hell. I hope it will be cooler soon.
4.I am sweating like a pig, and I'm not doing anything.
5.Let's stay at home; you could fry eggs on the sidewalk.
6.I don't want to go out; it's raining fire!
7.It's too hot to think. I need to find someplace to cool off.
8.Today is a thermometer breaker! Let's go swimming.
9.It's hot with a capital "H". Turn up the air conditioner!
10.It's not just hot, It's Africa hot! This weather is terrible.