Sunan Ibn Majah 677
سنن ابن ماجه#677SahihIt was narrated that Abu Hurairah said:"The Messenger of Allah said: 'When it is very hot, then wait for it to cool down before you pray, for intense heat is from the flaring up of the Hell-fire
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 2:11