Very dense fog lowered visibility to 50 metres at the Palam observatory, near the Indira Gandhi International airport, at 5:30 am.
Heavy rains continue to lash parts of Kerala on Monday affecting Thiruvananthapuram, Kollam and Kottayam districts the most resulting in death of three people and widespread damage to property.
Palghar, Thane, Raigad and Ratnagiri could witness thunderstorm activity, lightning, moderate rain and gusty storm over the next two days.
Delhi's primary weather station, the Safdarjung Observatory, registered a maximum temperature of 40.4 degrees Celsius, four notches higher than normal.
The state government has begun preparations to deal with the fallout of the cyclone as it will bring very strong wind and heavy rainfall in the region, officials said.
The India Meteorological Department said Delhi recorded 139 mm of rainfall, the highest one-day rain for August in at least 13 years.
'Already, the temperature has touched 39 degrees in some parts of Gujarat and now we are in the last week of February.' 'We need to activate the heat action plan from March 1.'
Chief Minister Vijay Rupani said people living in the coastal belt would be shifted to safer places.
Gale-force winds, heavy rainfall and high tidal waves swept the coastal belt of Kerala, Karnataka and Goa as Cyclone Tauktae hurtled northwards towards Gujarat on Sunday, leaving four people dead in Karnataka and two in Goa, damaging hundreds of houses, uprooting electricity poles and trees and forcing evacuation.
Intense monsoon rains brought normal life to a standstill in several parts of eastern and central Rajasthan, flooding out roads, rail tracks, low-lying residential areas and hospitals and claiming seven lives since Sunday night.
Incessant rains unleashed more death and destruction on Monday in parts of north India, with 37 people killed in landslides and other rain-related incidents in the last two days even as the Army and NDRF teams stepped in to intensify the relief and rescue operations.
The IMD has predicted heavy rainfall over Karnataka and Kerala for the next few days.
The Army, the National Disaster Response Force, police and the fire force along with the locals began rescue operations on Sunday morning at Koottickal and Kokkayar panchayats where over a dozen people are listed to be missing due to numerous landslides accompanied by heavy downpour since Saturday.
An unspecified number of people were evacuated from coastal areas of Odisha where Jagatsinghpur, Kendrapara, Bhadrak and Balasore were likely to experience heavy rainfall accompanied by high-velocity winds, particularly on May 19 and 20, IMD Director General Mrutyunjay Mohapatra said.
22 bodies, 13 from Kottayam district and 9 from Idukki were recovered from various rain-hit areas while National Disaster Response Force teams continued their rescue operations.
The India Meteorological Department, which had issued a red colour-coded alert for north India for May 25-26 when the prevailing heatwave conditions are expected to peak, said dust and thunderstorms are likely to bring some relief on May 29-30.
