According to the Meteorological Forecasting Division, the monsoon system is particularly active over Gandaki, Lumbini, Karnali and Sudurpaschim Provinces.
Skies are expected to remain generally to fully cloudy nationwide throughout the day, said the weather service.
Light to moderate rain accompanied by thunder and lightning is likely at many places in the hilly region and at a few places in the Tarai.
At present, scattered rainfall is occurring in parts of Bagmati, Lumbini, Karnali and Sudurpaschim Provinces, with isolated showers in Koshi Province.
Similar weather conditions are expected tonight, with light to moderate rainfall and thunderstorms continuing in the hills and isolated showers in the Tarai.(RSS)