After a delay of three days from the normal onset date of June 1, the southwest monsoon set in over Kerala on Thursday (June 4, 2026)

The monsoon has advanced into parts of the southwest and southeast Arabian Sea, some parts of the west-central and east-central Arabian Sea, the entire Lakshadweep Islands, Kerala and Mahe, some parts of Karnataka and Tamil Nadu, the remaining parts of the Comorin area, the southeast Bay of Bengal, and more parts of the southwest, west-central, east-central, and northeast Bay of Bengal, according to a weather bulletin issued by the India Meteorological Department (IMD).

Monsoon 2026 LIVE: Southwest monsoon arrives in Kerala, says IMD

Conditions are favourable for the further advance of the southwest monsoon into more parts of the central Arabian Sea, the entire Goa, some parts of Maharashtra and Andhra Pradesh, some more parts of Karnataka, the remaining parts of Tamil Nadu, the southwest Bay of Bengal, some more parts of the west-central, east-central and northeast Bay of Bengal, and some parts of the northeastern States during the next two to three days, the bulletin said.

During the past two days, there has been widespread rainfall with isolated heavy showers over Kerala.

The IMD has also issued an orange alert warning of very heavy rainfall for Pathanamthitta, Alappuzha, Kottayam, Idukki, Ernakulam and Thrissur districts on Thursday, while the rest of the State has been placed under a yellow alert, warning of isolated heavy rainfall.