The country is currently witnessing a partial effect of westerly wind. 

The Weather Forecasting Division has predicted foggy weather in some places of the Tarai belt later today. 

It will be partly cloudy in the upper hill and mountainous regions of Koshi and Gandaki Provinces. 

The Tarai region is forecasted to have a thick fog during morning and evening.

Owing to thick fog and haze, visibility in air flight will be affected, warranting alertness, according to the weather service.