Pakistan Meteorological Department forecast heavy rain in the metropolis today.
According to chief meteorologist Sardar Sarfaraz, the monsoon system is affecting Sindh and heavy rain is expected in Karachi between 8 and 9am today while heavy rain may continue intermittently throughout the day.The highest amount of rainfall received during the last 24 hours was in Quaidabad (4.5mm), followed by Saddar (4mm), Korangi (3mm), Gulshan-i-Hadeed (3mm), PAF Masroor base (2.4mm), Orangi Town (2mm), University Road (1.5mm), PAF Faisal base (1.5mm), Keamari (1.4mm), Jinnah Terminal (0.8mm), DHA Phase 2 (0.6mm), North Karachi (0.6mm) and old airport area (0.6mm), data from the Pakistan Meteorological Department (PMD) showed.
Karachi Administrator Murtaza Wahab said it had been "raining constantly" in Karachi since early morning.
"However, the situation so far has been under control. All main roads and underpasses remain clear for traffic. Water piled up on the side of the roads will be brushed out," he said.