Indian meteorological officials on Sunday forecast fairly widespread rain and thundershowers over Nepal till Monday.
"The activity is most likely to become widespread on April 27 and 28 with a possibility of isolated heavy thunderstorm activity, particularly over eastern part of Nepal," the Indian Meteorological Department said in a statement.
With similar forecast for Kathmandu, the department suggested people should take precautions against wet and bleak weather and possible landslides at vulnerable sites.
In India, the sub-Himalayan region, including West Bengal and Sikkim, will experience widespread rain and thundershower over the next three days with a possibility of isolated heavy thunderstorm, the Met Office said.
It also forecast scattered thunderstorms over Bihar and eastern Uttar Pradesh.
