Southern states brace for heavy rainfall, Kerala and Tamil Nadu on alert

Due to the super El Niño event, 12 districts of Tamil Nadu are likely to be affected more.

Weather: Flood-hit residents wade through inundated in PathanamthittaResidents wade through floodwaters outside their inundated homes after incessant monsoon rains caused widespread flooding, at Ranni, in Pathanamthitta district of Kerala, Monday, Aug. 3, 2026. (PTI Photo)

The India Meteorological Department (IMD) has forecast an active spell of monsoon rain across southern India over the next few days. According to the weather department, Tamil Nadu, Kerala, Karnataka, and Andhra Pradesh are likely to receive widespread rainfall.

Tamil Nadu, Puducherry rain update

The Regional Meteorological Centre (RMC) in Chennai has issued a yellow alert for Tamil Nadu and Puducherry on August 6 and 7, warning of heavy rainfall at isolated places accompanied by thunderstorms, lightning and squally winds. The weather department has said heavy rainfall is likely to continue at isolated places across Tamil Nadu, Puducherry and Karaikal till August 8. However, no weather warnings have been issued for the state since August 9.

Due to the super El Niño event, 12 districts of Tamil Nadu are likely to be affected more, Tamil Nadu Agriculture Minister R Vinoth said in agri-budget speech.

The Agriculture Department’s weather forecast states that 12 districts in Tamil Nadu are likely to be more severely affected by the ongoing super El Niño.

Agriculture Minister R Vinoth said while presenting the state’s Agriculture Budget that the state is implementing the agri-varsity’s action plan to tackle the current El Niño situation.

Kerala weather update

IMD has warned of heavy to very heavy rainfall at isolated places in Kerala for the next 2 days, with rainfall ranging between 12 cm and 20 cm expected in some areas. Heavy rainfall of 7 cm to 11 cm is also likely at isolated places on August 8.

As per the latest weather bulletin, an orange alert has been issued for Pathanamthitta, Alappuzha, Kottayam, Idukki, Ernakulam, Kannur and Kasaragod districts on Thursday, showing that there will be very heavy rainfall in the state. On August 7, the orange warning will remain in effect for Malappuram, Kozhikode, Wayanad, Kannur and Kasaragod.

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Yellow alerts have also been issued for several districts till Saturday, including Thiruvananthapuram, Kollam, Thrissur, Palakkad, Ernakulam, Pathanamthitta, Kottayam, Idukki, Malappuram, Kozhikode and Wayanad, warning of heavy rainfall.

Other southern states

Beyond Tamil Nadu and Kerala, the IMD has also forecast isolated to scattered rainfall over Coastal Andhra Pradesh, Yanam, Rayalaseema, Telangana and North Interior Karnataka till August 11. Fairly widespread to widespread rainfall is expected over Coastal Karnataka and Lakshadweep, while South Interior Karnataka is likely to receive widespread rain until August 8.

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