THIRUVANANTHAPURAM: The India Meteorological Department (IMD) has issued a warning of heavy rainfall across the state. An orange alert has been declared for various districts for four days starting tomorrow, with isolated, extremely heavy rainfall predicted. Extremely heavy rain refers to rainfall between 115.6 mm and 204.4 mm within 24 hours, according to the IMD.

Orange alert

03/08/2025: Alappuzha, Kottayam, Idukki, Ernakulam

04/08/2025: Idukki, Ernakulam, Thrissur

05/08/2025: Thiruvananthapuram, Kollam, Pathanamthitta, Alappuzha, Kottayam, Idukki, Ernakulam, Thrissur, Palakkad, Malappuram

06/08/2025: Idukki, Ernakulam, Thrissur, Palakkad, Malappuram, Kozhikode

Yellow alert

02/08/2025: Alappuzha, Kottayam, Idukki, Ernakulam, Thrissur, Palakkad, Malappuram

03/08/2025: Thiruvananthapuram, Kollam, Pathanamthitta, Thrissur, Palakkad, Malappuram

04/08/2025: Thiruvananthapuram, Kollam, Pathanamthitta, Alappuzha, Kottayam, Palakkad, Malappuram, Kozhikode, Wayanad, Kannur, Kasaragod

05/08/2025: Kozhikode, Wayanad, Kannur, Kasaragod

06/08/2025: Kollam, Pathanamthitta, Alappuzha, Kottayam, Wayanad, Kannur

The yellow alert indicates the possibility of isolated heavy rainfall, defined as 64.5 mm to 115.5 mm of rain in 24 hours.

The IMD has also advised against fishing along the Kerala-Karnataka coast on August 4 and 6, and along the Lakshadweep coast today, August 4, and August 6. A cyclonic circulation has formed in the upper atmosphere (5.8 km) over southern Tamil Nadu and the Mannar Strait. Due to this, widespread rainfall is expected in Kerala over the next five days.