ENOfficial
'A’isha said, ''I never saw God’s Messenger laugh to such an extent that I could see his uvula, he would only smile ; and when he saw clouds or wind his face showed signs .” (Bukhari and Muslim.)
Source: sunnah.com
Other translations
Arabic
وَعَنْ عَائِشَةَ قَالَتْ: مَا رَأَيْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ ضَاحِكًا حَتَّى أَرَى مِنْهُ لَهَوَاتِهِ إِنَّمَا كَانَ يتبسم فَكَانَ إِذَا رَأَى غَيْمًا أَوْ رِيحًا عُرِفَ فِي وَجهه
sunnah.com