Al-Furqan 25:48

وَهُوَ ٱلَّذِىٓ أَرْسَلَ ٱلرِّيَـٰحَ بُشْرًۢا بَيْنَ يَدَىْ رَحْمَتِهِۦ ۚ وَأَنزَلْنَا مِنَ ٱلسَّمَآءِ مَآءً طَهُورًا

Wahuwa alladhī arsala l-riyāḥa bush'ran bayna yaday raḥmatihi wa-anzalnā mina l-samāi māan ṭahūran

And it is He who sends the winds as good tidings before His mercy [i.e., rainfall], and We send down from the sky pure water