The southwest monsoon has advanced further into parts of Maharashtra, including Mumbai, the India Meteorological Department said on Tuesday.

It added that the weather system has also reached the remaining parts of Telangana and Odisha and some areas of Chhattisgarh, Jharkhand and Bihar.

The usual date of onset of the southwest monsoon in Mumbai is June 11. In southern Madhya Pradesh and Chhattisgarh, it typically arrives between June 10 and June 15.

Amid the delayed arrival of the monsoon in Mumbai, the municipal corporation had said on June 16 that only 10.3% of reserves were remaining in the reservoirs that supply water to the city.

On Tuesday, the weather department issued an orange alert for Mumbai and neighbouring districts, forecasting heavy rainfall. The city received rain for the third consecutive day.

The India Meteorological Department stated that the Pune and Nashik administrative divisions will receive thunderstorms, lightning and isolated rains from Tuesday till June 29. Isolated heavy rainfall is also likely in the region on Wednesday and Thursday.

Conditions are favourable for further advance of southwest monsoon into parts of Gujarat, Maharashtra, Chhattisgarh and Madhya Pradesh during the next two to three days, added the weather department.

The weather system is also expected to reach the remaining parts of Jharkhand and Bihar, and advance into parts of Uttar Pradesh during the subsequent three to four days.

Despite the progress of the monsoon, heatwave conditions are likely to persist in isolated pockets of Bihar and southeast Madhya Pradesh on Wednesday and Thursday, the weather department said.

The arrival of monsoon has been delayed in the country this year due to the El Niño effect.

El Niño weather phenomenon, which involves the warming of ocean surface temperatures in the eastern and central Pacific. It typically occurs every few years and has been linked to reduced monsoon rainfall in India.

Written by Sneha. Edited by Tanya Shrivastava.