NEW DELHI, May 26 -- Heat wave conditions are set to persist across large parts of India this week before temperatures begin easing from 29 May, the India Meteorological Department (IMD) said in an update on Tuesday.

Heat wave to severe heat wave conditions are expected to continue across large parts of central and northwest India over the next 3-4 days, while east and adjoining peninsular India are likely to experience similar conditions for the next 2-3 days.

Even as extreme heat grips much of the country, conditions remain favourable for the further advance of the southwest monsoon into some more parts of the southwest and southeast Arabian Sea, southwest, southeast and east-central Bay of Bengal, and the remaining parts of the Andam...