THIRUVANANTHAPURAM: Isolated thundershowers are likely in the state till August 26, said the India Meteorological Department (IMD). According to the authorities, the middle and northern parts of Kerala will receive more rainfall.

Orange alert has been declared in six districts namely Idukki, Thrissur, Malappuram, Kozhikode, Kannur and Kasaragod. Yellow alert has been declared in all districts except Thiruvananthapuram and Kollam.

The IMD has warned of likely widespread rains due to active westerly winds in the Arabian Sea. All should refrain from travelling at night in hilly areas, said the Disaster Management Authority.