It is narrated from Hazrat Samurah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said on the occasion of the Battle of Hunayn, on a rainy day, he instructed the people to pray in their own tents.
Hadith Referenceمسند احمد / أول مسند البصريين / 20260
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف، الحسن مدلس، وقد عنعن