Sunan Ibn Majah 937
سنن ابن ماجه#937Sahihحَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ، حَدَّثَنَا سُفْيَانُ بْنُ عُيَيْنَةَ، عَنْ أَيُّوبَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ كَانَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ يُنَادِي مُنَادِيهِ فِي اللَّيْلَةِ الْمَطِيرَةِ أَوِ اللَّيْلَةِ الْبَارِدَةِ ذَاتِ الرِّيحِ " صَلُّوا فِي رِحَالِكُمْ " .
It was narrated that Ibn ‘Umar said:“On rainy nights or on cold windy nights, the Messenger of Allah (ﷺ) would summon his announcer to call out: ‘Perform your prayer at your camps.’”
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 5:135