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.'" (FR)
English reference (FR): Vol. 1, Book 5, Hadith 937 (FR)
Arabic reference (FR): Book 5, Hadith 990 (FR)