New Delhi, May 7 -- Northwest India is set to witness a mix of thunderstorms and intensifying heat over the coming days as heatwave conditions build up in the western parts of the country, the India Meteorological Department (IMD) said on Thursday.

Isolated to scattered thunderstorms accompanied by lightning and gusty winds of 40-60 kmph are likely over northwest India from 10 to 13 May, the IMD said in its latest forecast. This will follow light to moderate rainfall with thunderstorms over Uttarakhand, Punjab, Haryana, Delhi, Uttar Pradesh and east Rajasthan on 7 May. Uttarakhand may witness thundersqualls with wind speeds reaching 50-60 kmph, gusting up to 70 kmph, on 8 May.

A wet spell is expected from 11 to 13 May, bringing scattere...