Kerala, and a yellow alert for the remaining districts of the state.
The districts where the orange alert is in place are Thiruvananthapuram, Alappuzha, Kannur and Kasaragod.
Heavy rain and strong winds lashed parts of Thiruvananthapuram city on Friday morning.
The IMD predicted heavy rainfall for several parts of the state for Friday.
Earlier on Wednesday, the Met department announced that conditions were slowly becoming favourable for the withdrawal of the southwest monsoon from the country on September 25.
An official statement from the Ministry of Earth Sciences on Friday predicted light to very heavy rainfall over several areas of South India from September 29 to October 1.
«Light/moderate fairly widespread to widespread rainfall with isolated heavy rainfall very likely over ghat areas of Tamil Nadu, Andhra Pradesh, and Telangana on 29. Karnataka and Kerala & Mahe from September 29 to October 1.