(3) باب الصَّلاَةِ فِي الرحَالِ فِي الْمَطَرِ
Jabir reported:
We set cut with the Messenger of Allah (ﷺ) on a journey when it began to rain. Upon this he said: He who desires may pray in his dwelling.
Reference: Sahih Muslim 698
In-book reference: Book 6, Hadith 34
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1490