
Regions likely to be impacted include south Haryana, Delhi, west Uttar Pradesh, Himachal Pradesh, Punjab, Gujarat, Rajasthan and west Madhya Pradesh.
The IMD said maximum temperatures in many parts of central and northwest India are expected to rise by 2 to 4 degrees Celsius during this period.
In Delhi, daytime temperatures could reach around 42 degrees Celsius at some places by April 6 or 7.
Earlier this week, the department said India is expected to see higher-than-usual temperatures from April to June, with more heatwave days in central and eastern India and the northwestern plains.