<span style="color: #222222;">Heatwave and sultry conditions have returned to Delhi, and many places in the northern part of the country with temperatures soaring above 45 degrees.<br />''<br />''The IMD has issued a yellow alert, warning of a heatwave, in most parts of Delhi on Friday and Saturday. The mercury is predicted to touch the 45-degree Celsius mark again on Sunday.<br />''<br />''Temperatures may leap to 46-47 degrees Celsius in isolated places.  <br />''<br />''IMD Director Mritunjay Mahapatra said most parts in the north continue to experience high temperatures. At least 29 cities across the states of  Haryana, Gujarat, Madhya Pradesh, and Maharashtra reported temperatures in excess of 44 degrees Celsius.<br />''<br />''Meanwhile, the southwest monsoon is set to arrive early with Andaman and Nicobar Islands expected to receive the first showers on May 15, the India Meteorological Department has said. The weather office has also predicted an early monsoon onset in Kerala and its subsequent northward movement. </span><br />