Here in Melbourne today the temperature is predicted to peak at 43 degrees.
My greenhouse is already over 55 degrees.
I brought some plants inside to escape from the heat and they flower anyway.

here is the noid Turbinicarpus in question.
Could it be T. klinkerianus?

oh and enjoy this loph flower too.

Well the temperature reached over 44 degrees today at my place.
greenhouse thermometer was as high as it could go, which is about 60 degrees C. in fact i went in there tonight at 10pm to check and its still about 38.

Same here, was over 60 in there at about 5pm, things seem okay though, I ran a fan for a while to move some air around and I'd watered not long ago so hopefully that put them in good stead.....

Yeah it was bloody hot here today in Sydney too. Reached about 50 in my grow room for grafts and well over that in my green house. Crazy hot.

I had 10+ loph flowers open on one plant, I didn't think to take a snap at the time I hope they open again tomorrow.