When the heat is intense, delay the prayer until it becomes fairly cool, for intense heat is from the boiling and breathing of Hellfire. [Sahih/Authentic] - [Al-Bukhari
"«إذا اشْتَدَّ الْحَرُّ فَأَبْرِدُوا بالصلاة. فإن شدة الْحَرِّ من فَيْحِ جَهَنَّمَ». [صحيح.] -"
