(Furqan) 25 : 48
وَهُوَ الَّذِي أَرْسَلَ الرِّيَاحَ بُشْرًا بَيْنَ يَدَيْ رَحْمَتِهِ ۚ وَأَنْزَلْنَا مِنَ السَّمَاءِ مَاءً طَهُورًا
And He is the One Who sends the breeze as a herald before His mercy and We send down pure water from the sky.
See explanation 2: 164; 13: 17 and 16: 10.