Lucknow has recorded nil visibility from midnight till 4 am while Varanasi, Gorakhpur, Patna and Gaya have also witnessed dense to very dense fog conditions during which visibility hovered between 50 to 100 meters today.
Forecast indicates that fog in Delhi will continue to remain shallow during the next two days and it will not affect flight services. East Uttar Pradesh and adjoining areas of Bihar will continue to experience dense to very dense fog during morning hours and train services during this period will remain affected.
Day temperature in Delhi will again be in early twenties as sky will become more clear during the afternoon. Night temperature will remain around 10 degrees due to high and medium level clouds.