KATHMANDU, JULY 6 An active monsoon system is set to bring heavy rainfall, thunderstorms and gusty winds to several parts of the country on Monday, with the Meteorological Forecasting Division urging people in vulnerable areas to remain alert. According to the Division, the monsoon remains active across Nepal, while the monsoon trough lies south of its normal position over eastern Nepal and near its average position in the western region. Heavy rainfall is forecast at one or two places in the hilly districts of Koshi, Bagmati, Gandaki and Sudurpashchim provinces during the day. Light to moderate rain accompanied by thunder and lightning is expected across many hilly and Himalayan districts, with scattered showers also likely in the Terai of Bagmati, Gandaki, Lumbini and Sudurpashchim provinces, as well as parts of Koshi and Madhesh. The Division has also warned of gusty winds in parts of Madhesh Province and the Terai districts of Koshi and Bagmati, which could affect transport and daily activities. The unsettled weather is expected to continue into the night, with heavy rainfall likely at one or two places in the hilly and Terai regions of Koshi and Gandaki provinces, while light to moderate rain and thunderstorms are forecast for several other parts of the country. Among major cities, Kathmandu, Pokhara, Bhairahawa, Simara, Biratnagar, Dharan and Dhankuta are expected to receive moderate rainfall with thunderstorms, while Nepalgunj, Dhangadhi, Janakpur and Ghorahi are likely to witness light to moderate showers. The weather office has advised residents of flood- and landslide-prone areas to remain cautious as persistent monsoon activity could trigger localized flooding, landslides and disruptions to transport.