It wasnarrated that Ibn 'Umar said:
"On rainy nights or on coldwindynights, the Messenger of Allah (ﷺ) would summon his announcertocall out: 'Perform your prayer at your camps.'" (AR)
English reference (AR): Vol. 1, Book 5, Hadith 937 (AR)
Arabic reference (AR): Book 5, Hadith 990 (AR)