The IMD forecasts a gradual rise in maximum temperatures by 4 to 6 degrees Celsius, potentially reaching 46-48 degrees Celsius by May 19. On Tuesday, Barmer in West Rajasthan recorded 48.3 degrees Celsius, making it the hottest place in the country. Additionally, unusually warm nights have been noted in Rajasthan, with minimum temperatures ranging between 26 and 31 degrees Celsius.