New Delhi, July 19 -- The India Meteorological Department (IMD) has forecast an active southwest monsoon over northwest, central and eastern India, warning of heavy to extremely heavy rainfall, flash flood risks in vulnerable areas, and a significant drop in temperatures in Delhi after a hot and humid weekend.

Heavy to extremely heavy rainfall has been forecast over Himachal Pradesh, Jammu and Kashmir, Uttarakhand and several northeastern states over the coming days. In the national capital, maximum temperatures are expected to fall sharply from around 40 degrees Celsius on Sunday to nearly 30 degrees Celsius by Tuesday as monsoon activity intensifies.

Delhi is likely to experience scattered thunderstorms and heavy rainfall from Monday ...