Clouds once more fell within the United Arab Emirates (UAE) states of Dubai, Sharjah, Abu Dhabi, Ras Al Khaimah and Ajman.
Heavy rains prompted flooding in low-lying areas, rivers overflowed, bus service from Dubai to Sharjah was suspended.
Many flights to Dubai have been cancelled, some have been diverted to Muscat and Doha.
Officers have instructed residents to drive rigorously and to not go to the seaside. Because of the rain, the one-day match between the UAE and Scotland in Dubai was additionally cancelled.
