The eastern region of Nepal, especially Koshi Province, is currently under the influence of monsoon winds, according to the Department of Hydrology and Meteorology.
On Sunday afternoon, the weather is expected to be partly to mostly cloudy in Koshi and other nearby hilly areas. Light to moderate rainfall with thunder and lightning is likely in some places of Koshi, Madhesh, Bagmati, and Gandaki provinces.
High hilly and mountainous areas in the east may also experience light rain and possible snowfall.
Tonight, the eastern region will remain partly to generally cloudy, with continued chances of rainfall and thunderstorms in some areas.