﴿ وَهُوَ ٱلَّذِىٓ أَرْسَلَ ٱلرِّيَٰحَ بُشْرًۢا بَيْنَ يَدَىْ رَحْمَتِهِۦ ۚ وَأَنزَلْنَا مِنَ ٱلسَّمَآءِ مَآءًۭ طَهُورًۭا ﴾

“And He it is who sends forth the winds as a glad tiding of His coming grace; and [thus, too,] We cause pure water to descend from the skies,”

Please check ayah 25:50 for complete tafsir.