Musnad Abu Ya'la al-Mawsili 148:90

Abu Bakr ibn Abi Shaybah narrated to us, Zayd ibn al-Hubab narrated to us, al-Husayn ibn Waqid narrated to us, he said: Mu'adh ibn Harmalah al-Azdi narrated to me, he said: I heard Anas ibn Malik saying: The Messenger of Allah (peace and blessings of Allah be upon him) said: "A time will come upon the people when the people will be rained upon with a general rain, yet the earth will not sprout anything."