Key Takeaways:
- Heavy rainfall risk in hilly and Terai areas of Madhesh, Koshi, Bagmati, Gandaki, Lumbini
- Moderate rain and thunderstorms expected in hilly regions of Bagmati, Gandaki, Lumbini
- Snowfall possible in Himalayan areas of Koshi, Bagmati, Gandaki, Lumbini, Karnali, Sudurpashchim
- Monsoon trough slightly north of normal in east, near normal in west
- Weather office urges alertness to hazards in heavy rainfall zones
Heavy rainfall accompanied by thunderstorms is likely in several parts of Nepal on Wednesday, with the Department of Hydrology and Meteorology forecasting intense rain at one or two places in the hilly and Terai areas of multiple provinces.
The weather office said generally cloudy conditions would prevail across the country, with moderate rain and thunderstorms expected at many places in the hilly regions of Bagmati, Gandaki and Lumbini provinces.
Moderate rain or snowfall accompanied by thunder and lightning is likely at some places in the Himalayan regions of Koshi, Bagmati and Gandaki provinces, and at a few places in the Himalayan regions of Lumbini, Karnali and Sudurpashchim.
Heavy rainfall is likely at one or two places in the hilly and Terai regions of Madhesh, Koshi, Gandaki and Lumbini provinces. Similar heavy rain is also possible across the Himalayan, hilly and Terai regions of Bagmati Province.
Some parts of the Terai in Sudurpashchim are also likely to receive moderate rainfall with thunder and lightning, while other Terai areas could see rain at some places.
The weather is expected to remain broadly similar overnight, with generally cloudy conditions across the country.
Moderate rain or snowfall with thunder and lightning is forecast at some places in the Himalayan and hilly regions of Koshi, Bagmati, Gandaki and Lumbini provinces, and at a few places in the Himalayan and hilly regions of Karnali and Sudurpashchim.
Moderate rainfall is also likely at some places in the Terai regions of Madhesh, Koshi and Bagmati provinces, and at a few places in Gandaki, Lumbini and Sudurpashchim.
The department has forecast heavy rainfall at one or two places in the hilly regions of Koshi, Bagmati and Gandaki provinces and in parts of the Terai of Madhesh, Koshi and Bagmati provinces.
According to the meteorological analysis, the entire country is currently under the influence of monsoon winds. The monsoon trough is slightly north of its normal position in the eastern region, while it remains around its normal position in the west.
In Kathmandu, moderate rain and thundershowers are expected, with a 70 percent probability of rainfall during the day. The capital's temperature is forecast to reach 27–29 degrees Celsius, while the minimum temperature is expected to remain between 19 and 21 degrees Celsius overnight.
Pokhara is also likely to see moderate rain and thundershowers, with a 70 percent chance of rainfall and a maximum temperature of 30–32°C.
Temperatures are expected to remain higher in the southern plains. Janakpur and Nepalgunj could reach 33–35°C, while Biratnagar, Bhairahawa and Simara are forecast to record maximum temperatures of 32–34°C.
Mountain districts will remain comparatively cool. Jomsom is expected to record 22–24°C during the day and 13–15°C at night, while Jumla could see temperatures between 25 and 27°C during the day.
The weather office has urged people in areas likely to receive heavy rainfall to remain alert to possible weather-related hazards.