When it rains
Two words the Prophet ﷺ said as the rain came down.
صَيِّبًا نَافِعًا
Allāhumma ṣayyiban nāfiʿan.
“O Allah, make it a rain that brings good.”
The full narration
Narrated Aisha:Whenever Allah's Messenger (ﷺ) saw the rain, he used to say, "O Allah! Let it be a strong fruitful rain
Source
Ṣaḥīḥ al-Bukhārī · 1032
Ṣaḥīḥ
- Agreed upon as authentic (al-Bukhārī / Muslim)