The Integrated Transport Information System (Itis) shared several photos on social media showing the affected locations.
Among them were Jalan Semantan, Jalan Parlimen, Jalan Segambut, Jalan Kuching, Jalan Travers, Jalan Ampang, the area around Menara DBKL 1 in Jalan Raja Laut, Jalan Tuanku Abdul Halim and Jalan Pudu.
“It is raining heavily in the city centre. Motorists are advised to exercise caution when driving,” Itis said on its Facebook page.
The images showed heavy traffic in Jalan Pudu, Jalan Maharajalela and Jalan Tun Razak, while a flash flood was shown in Jalan Segambut.