Key Takeaways:

• Heavy to very heavy rainfall likely in Koshi, Bagmati, Gandaki and Lumbini provinces today and tonight
• Thunderstorms and possible windstorms forecast in parts of Madhesh and the eastern Terai
• Bay of Bengal deep depression continues to influence weather along with active monsoon conditions
• Authorities warn of flooding, landslides, river swelling and travel disruptions in vulnerable areas

KATHMANDU, SEPTEMBER 24 Heavy to very heavy rainfall is likely at a few places in Koshi, Bagmati, Gandaki and Lumbini provinces today, with thunderstorms and possible windstorms forecast across parts of the country, according to the Department of Hydrology and Meteorology. The department said mostly cloudy conditions will prevail in Koshi, Madhesh, Bagmati, Gandaki and Lumbini provinces, while Karnali and Sudurpashchim are expected to experience generally cloudy weather. Moderate rain or snowfall accompanied by thunder and lightning is likely at most places in the Himalayan and hilly areas of Koshi, Bagmati, Gandaki and Lumbini provinces, and at some places in the Himalayan and hilly regions of Karnali and Sudurpashchim. Moderate rainfall with thunder and lightning is also expected at most places in Madhesh Province and the Terai areas of Koshi, Bagmati, Gandaki and Lumbini, while parts of Sudurpashchim's plains may also receive rain. The department has also forecast windstorms in some areas of Madhesh Province and the Terai districts of Koshi Province. Similar conditions are expected tonight, with heavy to very heavy rainfall likely at a few places in Koshi, Bagmati, Gandaki and Lumbini provinces, and at one or two locations in Madhesh Province. Gusty winds may also affect parts of Madhesh and the Terai areas of Koshi, Bagmati, Gandaki and Lumbini. According to meteorologists, Nepal's weather is currently influenced by monsoon winds and a partial westerly system, while a deep depression originating over the Bay of Bengal continues to affect weather patterns across the region. The system crossed the north Andhra Pradesh and adjoining south Odisha coast and is expected to maintain its strength initially before gradually weakening over the next 24 hours. Kathmandu is forecast to record a maximum temperature of 22–24°C today, with a 70 percent chance of rain. Night temperatures are expected to remain between 18°C and 20°C, with a similar probability of rainfall. Pokhara is expected to receive rain throughout the day and night, with temperatures ranging from 29–31°C during the day and 19–21°C at night. The chance of rainfall is estimated at 80 percent. Among major cities, Dhangadhi is forecast to be the warmest, with temperatures reaching 35–37°C, while Jumla is expected to record the lowest nighttime temperature at 7–9°C. The department has advised residents in vulnerable areas to remain alert as persistent rainfall may increase the risk of floods, landslides, soil erosion and disruptions to transportation and daily life.