Due to a cyclonic circulation over North Bangladesh and the Southeast Bay of Bengal, monsoon is expected to arrive early in India. The monsoon is likely to hit the Andaman and Nicobar Islands within 4-5 days
According to the Alipore Meteorological Department, a cyclonic circulation has formed over North Bangladesh. Another circulation exists over the Southeast Bay of Bengal and the South Andaman Sea.

This year, the monsoon is expected to arrive early in India. The southwest monsoon is likely to hit the Andaman and Nicobar Islands within the next 4-5 days.

Today, Kolkata's temperature will range between 30 and 39 degrees Celsius. Intense sunshine and uncomfortable heat are expected from morning.

The Meteorological Department has stated that hot and uncomfortable weather will persist in South Bengal until Wednesday. Temperatures may rise by 2-3 degrees Celsius in the coming days.

Thunderstorms are expected in eight districts of South Bengal amid the heatwave. Light to moderate rain with gusty winds of 30 to 50 kmph.

Heavy rain is expected in Alipurduar and Jalpaiguri districts of North Bengal. An alert has been issued for very heavy rainfall (up to 200 mm) in these districts on Monday.

Thunderstorms and rain are expected in Kolkata and other districts of South Bengal from Wednesday.

Heavy rain (70-110 mm) is expected in Darjeeling, Kalimpong, Alipurduar, Jalpaiguri, and Cooch Behar districts on Monday and Tuesday. Rainfall is expected in several districts of North Bengal until Wednesday.

Thunderstorms are likely in six districts of West Bengal on Tuesday: North 24 Parganas, South 24 Parganas, Hooghly, East Midnapore, Birbhum, and Murshidabad.

Thunderstorms are likely in North 24 Parganas, Hooghly, Purulia, Bankura, East and West Burdwan, Birbhum, Murshidabad, and Nadia districts. Thunderstorms are also expected in six districts on Monday.