New Delhi, July 20 -- Kerala and Karnataka are set to witness extremely heavy rains on July 20, India Meteorological Department (IMD) forecasted. A red alert has been issued for the two states in addition to an orange alert for three other states - Uttarakhand, Tamil Nadu and Bihar. Meanwhile, rest of India is on yellow alert except for Rajasthan.

"Extremely heavy rainfall (>=21 cm) very likely at isolated places over Kerala and Coastal Karnataka on 20th July." IMD said in its latest weather bulletin. Kerala's Kannur and Kasaragod districts are on red alert today, while orange weather warning is in place for Ernakulam, Idukki, Thrissur, Palakkad, Malappuram, Kozhikode and Wayanad districts.

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