Heavy rains continued to lash the city and the suburbs today, affecting road, rail and air traffic even as the weather bureau predicted intermittent rainfall with possibility of few heavy showers during the day.Trains on the Western lines are running 20 to 30 minutes behind schedule while on Harbour and main Central routes, the trains were running 10 to 15 minutes late due to water-logging at Matunga, Dadar and Mahalakshmi stations, railway sources said.According to traffic police sources, traffic was moving at a slow pace on various routes due to potholes but there was no water-logging on the main routes.Air traffic was also affected with flights operating behind schedule due to poor visibility."The delay is only due to poor visibility and there is no water logging in the runways," airport sources said.Meanwhile, the weather bureau has issued a warning for fishermen, asking them not to venture into the sea.Chief Minister Vilasrao Deshmukh today visited some of the low-lying areas which were badly hit during yesterday's heavy fall in the western suburbs, official sources said.Total rainfall during the last 24 hours till 8.30 am today was 191.6 mm at Colaba in southern Mumbai and 224.2mm at Santacruz in the suburbs, the weather bureau sources said.About 40 trees were uprooted since yesterday due to the gusty wind reaching the speed of 60 kmph, fire brigade sources said.