IMD centre issued a 'red' alert for Mumbai and neighbouring Raigad district on Thursday, predicting heavy to very heavy rainfall at a few places and extremely heavy rainfall at isolated places.
The Colaba observatory recorded "extremely heavy" rainfall at 223.2 mm, while the Santacruz observatory recorded 145.1 mm of rainfall in the 24-hour period ending at 8.30 am on Thursday.
Amid the orange alert on Wednesday for Mumbai, the island city and suburbs have been receiving heavy downpours since morning.
After a heavy downpour last week, the rain intensity reduced in Mumbai since Sunday.
In the morning, some parts of Mumbai witnessed light showers or occasional heavy spells, while there was no rain in some areas.
After a heavy downpour on Wednesday which caused water-logging in many low-lying areas and affected local train services, the rain intensity reduced early Thursday morning.
TheIMD issued a 'red' alert for neighbouring Raigad and Palghar districts, forecasting heavy to very rainfall at a few places and extremely heavy rain at isolated places.
Heavy rains lashed Bandra, Dahisar, Chembur, Fort, Matunga, Byculla and other areas of the city during the night, as per civic officials.
Heavy showers lashed Mahalakshmi, Byculla, Malabar Hill, Matunga, Sion, Bandra, Santacruz, Andheri and some other areas early in the morning, but the rain intensity reduced after 8 am.
Despite the heavy showers over the last six days, the city has recorded an overall deficit in rains this month.
Two persons were swept away in swollen water bodies in the last two days. While the body of one of them was recovered, efforts were on to trace the other person, the police said.
In the last 24 hours, there were 26 incidents of tree fall, 15 of short-circuit, and five incidents of collapse/partial collapse of houses in Mumbai, as per the civic body.
The IMD has predicted "moderate to heavy" showers in the city and suburbs with a possibility of occasional intense rain spells in the next 24 hours.
The first episode of monsoon rain on Sunday saw most parts of Mumbai waterlogged with most roads being gridlocked.