The national capital woke up to a pleasant morning on Saturday, with the minimum temperature settling at 18 degrees Celsius, nine notches below the normal.
Delhi reeled under a "severe heatwave" on the day of Holi, as the maximum temperature shot up to 40.1 degrees Celsius, making it the hottest day in March in 76 years, the India Meteorological Department said on Monday.
Parts of Delhi-NCR received light rain and strong winds on Friday morning. This led to a fall in the mercury level. Neighbouring Noida also received drizzle and strong winds.
Fog shrouds parts of the national capital leading to low visibility in many areas.
In the plains, the IMD declares a cold wave if the minimum temperature dips to four degrees Celsius. A severe cold wave is when the minimum is 2 degrees Celsius or less.
Delhi remained enveloped in a layer of fog on Friday morning whereas the low visibility hindered the traffic movement in the national capital.
Delhi on Thursday remained enveloped in a layer of fog with visibility as low as 0 meter at some isolated pockets of the national capital.
Several parts in the north-India along with Delhi witnessed low visibility due to dense fog on Monday morning.
Delhi's overall air quality stands in the 'very poor' category, according to the System of Air Quality & Weather Forecasting & Research (SAFAR).
Delhi's minimum temperature dropped to 4.2 degrees Celsius, three notches below normal, on Friday even as foggy conditions disrupted traffic movement, the India Meteorological Department (IMD) said.
A fresh Western Disturbance will start affecting the Western Himalayan region Friday onwards. As a result, the mercury is likely to drop to 4 degrees Celsius by Monday, an IMD official said.
At least 16 Delhi-bound trains have been reported to be running late. The Delhi Airport, however, said that all flight operations are normal and low visibility procedures are in process.
Parts of North India reel under the cold wave condition with dense fog and low visibility in the isolated pockets.
On January 16, Delhi woke up to very dense fog and visibility was extremely low on the roads. The cold waves continued to prevail in the national capital and icy winds hit normal lives. The flights from Delhi also got delayed due to extreme weather. According to India Meteorological Department (IMD), Delhi reported min temperature at 6 digreeC and max temperature at 21 digreeC.
Delhi witnessed dense fog on Saturday morning that led to poor visibility in several parts of the national capital.
The weather department on Tuesday had issued an orange alert for the northern plains, which are also forecast to witness foggy conditions. A large part of the country is set to face intense cold conditions over the next few days, it said.
Delhi's minimum temperature was recorded at seven degrees Celsius on Monday and is likely to drop further as cold winds from the snow-clad western Himalayas continued to sweep the plains, the India Meteorological Department (IMD) said.