The department has also issued a thunderstorm warning over Bihar, West Bengal, Assam and Meghalaya.
The heat wave is the result of an anti-cyclone over Pakistan and western Rajasthan, the impact of which is being felt across the northern plains.
Severe heatwave conditions are likely at Rajasthan, West Madhya Pradesh, Saurashtra,Kutch, Vidarbha and East Madhya Pradesh during next 3-4 days. Heatwave conditions are likely in Punjab, Haryana, south Uttar Pradesh and central Maharashtra at the same time, the IMD said.
Thunderstorms accompanied by thunder squall are also "very likely" at isolated places over the north eastern states of Assam, Meghalaya, Nagaland, Manipur, Mizoram and Tripura from April 16 to 18.
The IMD has also predicted "very heavy rainfall" over Andaman islands during the next 24 hours due to cyclone Maarutha.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)