Sahih al-Bukhari 3623–3624 and Sahih Muslim 2450a/2450c preserve the Prophet Muhammad’s final-illness conversation with Fatima and the foretelling that she would be the first of his family to follow him. The first caused her to weep: he told her that Gabriel had reviewed the Qur’an with him twice that year and that he understood this as a sign that his death was near. He also foretold that Fatima would be the first member of his household to follow him after his death. A second private message concerning her elevated rank brought her joy. Bukhari later records that Fatima lived for six months after the Prophet and then died.
The meaning of those private words became known only after the Prophet’s death. Fatima explained that in the first message, the Prophet told her that Gabriel had reviewed the Qur’an with him twice that year rather than once. He understood this as an indication that his own death had drawn near. He then gave Fatima another solemn piece of news: she would be the first member of his household or family to follow him after his death.
The second private message concerned Fatima’s exceptional rank among believing or Paradise women, and this was what caused her to smile. That virtue belongs to the same scene, but it should remain distinct from the main foretelling being catalogued here.
The later historical outcome is preserved in Sahih al-Bukhari. That report states that Fatima remained alive for six months after the Prophet’s death and then died. This six-month interval forms the strongest verified fulfillment layer for the earlier prediction that she would be the first of his family to follow him.
The event is therefore best understood as a revelatory sign or foretelling. The extraordinary element is not an independent karamah performed by Fatima, but the Prophet’s prior knowledge both of his own approaching death and of the order in which a close member of his household would follow him.
A careful public account should preserve the limits of the sources. The Sahih reports establish the private conversation, the foretelling, and the six-month interval. Exact calendar dating and disputed burial details belong to later historical discussions and should not be inserted into the core story as though they were equally established.
Conclusion
The sahih source set strongly supports high-confidence inclusion as a revelatory sign or foretelling: during his final illness, the Prophet foretold that Fatima would be the first of his family to follow him, and Sahih al-Bukhari later records that she died six months after him.