New Delhi, May 15 -- The Southwest Monsoon is likely to set in over Kerala on May 26, with a model error margin of +- 4 days, said the India Meteorological Department (IMD) on Friday.

Conditions are favourable for the further advancement of the Southwest Monsoon into parts of the South Bay of Bengal, the Andaman Sea, and the Andaman and Nicobar Islands during the next 24 hours. Heatwave to severe heatwave conditions are likely to prevail over Northwest and Central India for several days during the week.

The advance of the southwest monsoon over the Indian mainland is marked by its onset over Kerala and is considered an important indicator marking the transition from the hot and dry season to the rainy season. As the monsoon progresses n...