The condition for combining prayers due to rain
Machine translationRead the Arabic original
Question:
He says: Honorable Shaykh, may Allah grant you success. On rainy days, if it is difficult for some people to go to the mosque to pray in congregation during the rain, while it is not difficult for the rest of the congregation, is it prescribed to combine the prayers in this situation?
Answer:
If there is rain that wets the clothes or mud on the ground between you and the mosque, then the imam combines the two evening prayers, Maghrib and 'Isha', specifically to be lenient with the people. Yes.
He says: Honorable Shaykh, may Allah grant you success. On rainy days, if it is difficult for some people to go to the mosque to pray in congregation during the rain, while it is not difficult for the rest of the congregation, is it prescribed to combine the prayers in this situation?
Answer:
If there is rain that wets the clothes or mud on the ground between you and the mosque, then the imam combines the two evening prayers, Maghrib and 'Isha', specifically to be lenient with the people. Yes.
Source
نور على الدرب - الفوزان - 03/085 — archive.org (8:38)
The Arabic text is a machine transcription of the audio recording.