Sunan Ibn Majah, Volume 2, Book 5, Hadith 938 (DarusSalam) ⓘ
It was narrated from Ibn ‘Abbas that the Prophet said, on a Friday that was rainy: “Perform your prayer at your camps.”
حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ عَبْدِ الْوَهَّابِ، حَدَّثَنَا الضَّحَّاكُ بْنُ مَخْلَدٍ، عَنْ عَبَّادِ بْنِ مَنْصُورٍ، قَالَ سَمِعْتُ عَطَاءً، يُحَدِّثُ عَنِ ابْنِ عَبَّاسٍ، عَنِ النَّبِيِّ ـ صلى الله عليه وسلم ـ أَنَّهُ قَالَ فِي يَوْمِ جُمُعَةٍ مَطِيرَةٍ " صَلُّوا فِي رِحَالِكُمْ " .
also referenced under: Hadith 938 (Reference) & Book 5, Hadith 991 (In-Book)