Intense spells of rain are likely to continue in the districts of Thane, Raigad and Mumbai during next four hours, the India Meteorological Department (IMD) said.
Delhi is likely to receive the first monsoon showers on June 30 or July 1, India Meteorological Department (IMD) officials said on Tuesday.
The IMD has issued Yellow alert for Thiruvananthapuram, Kollam, Pathanamthitta, Alappuzha, Kottayam, Ernakulam, Idukki, Thrissur, Malappuram and Kozhikode districts for today whereas Wayanad too has Yellow alert on May 22.
The bounteous monsoon this year has already dumped 1159.4 mm of rainfall in Delhi till Thursday afternoon, the highest since 1964 and the third-highest ever, according to the IMD data
In Uttar Pradesh, the death toll due to lightning strikes rose to 42.
Lakhs of voters will have to bear the searing heat when they step out to exercise their franchise in the second phase of the Lok Sabha elections on Friday.
A day after heavy showers battered Mumbai, the rain intensity reduced briefly on Monday morning and picked up momentum again, leading to water-logging at some places and disrupting local train services, officials said.
The Met office has issued a "red" warning for Delhi, Haryana, Punjab and west Rajasthan, stressing the need for "extreme care for vulnerable people".
The India Meteorological Department said the southwest monsoon further advanced into Delhi, Uttar Pradesh, Himachal Pradesh, Jammu and Kashmiri, some parts of Punjab, Haryana and Rajasthan on June 30.
Mumbai civic body took to Twitter to inform citizens about the do's and don'ts and asked them to "stay hydrated and safe".
The city has been witnessing heavy rains since Tuesday night, resulting in water logging in many areas.
The weather department also said the national capital recorded only two rainy days this May, the lowest in 10 years.
Delhi sweltered under intense heat as the Safdarjung observatory, considered the official marker of the national capital, noted a high of 43.8 degrees Celsius, four notches above the normal average.
The India Meteorological Department has issued an 'orange' alert.
Delhi's minimum temperature on Wednesday morning plunged to 4.4 degrees Celsius -- the season's lowest -- making the national capital colder than Dharamsala, Nainital and Dehradun.
According to the India Meteorological Department (IMD), the Ayanagar weather station recorded 99.2 mm rainfall, the maximum in the city, during the 24-hour period ending at 8.30 am on Thursday.
Some low-lying places like Hindmata, and areas in Dadar and Sion, including the Gandhi Market and road number 24 in Sion, were inundated, forcing pedestrians to wade through the water and making it difficult for motorists to commute.
'Usually the average rainfall per day is around 8 mm and India is receiving 10 to 11 mm per day since the last one week.' 'July seems to be very good for the entire country.'
Mumbai has been witnessing heavy rains since Wednesday.
Waterlogging was reported in Andheri, Kurla, Ghatkopar, Chembur and some other places.
The maximum temperature at the Safdarjung Observatory, Delhi's base station, is likely to rise to 45 degrees Celsius.
The mercury at the Safdarjung Observatory is expected to breach the 43-degree mark on Thursday and touch 44 degrees Celsius by Friday, according to the India meteorological department.
A blinding layer of dense fog over north India, including Delhi, caused major inconvenience to commuters. The visibility levels were 50 metres around 5:30 am.
The IMD has issued an orange alert for Mumbai, warning of very heavy rains at isolated places with strong winds on Monday as the very severe cyclonic storm Tauktae is likely to pass close to the Mumbai coast towards Gujarat.
Heavy rains over a span of few hours flooded many parts of Nagpur city, following which more than 400 people, including 70 students from a school for the speech and hearing-impaired, were rescued, said Maharashtra Deputy Chief Minister Devendra Fadnavis on Saturday.
The mercury breached the 46-degree Celsius mark in several places such as Allahabad (46.8 degrees Celsius) and Jhansi (46.2 degrees Celsius) in Uttar Pradesh; Sports Complex (46.4 degrees Celsius) in Delhi; Ganganagar (46.4 degrees Celsius) in Rajasthan; Nowgong (46.2 degrees Celsius) in Madhya Pradesh; and Maharashtra's Chandrapur (46.4 degrees Celsius).
The Santacruz weather station in the suburbs recorded 129.4 mm rain between 8:30 am and 5:30 pm on Thursday. The Colaba weather bureau in Island City reported 18.8 mm rain during the same period.
Very dense fog lowered visibility to 50 metres at the Palam observatory, near the Indira Gandhi International airport, at 5:30 am.
Gale-force winds, heavy rainfall and high tidal waves swept the coastal belts of Maharashtra and Goa as Cyclone Tauktae hurtled northwards towards Gujarat.
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.'
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.
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.
The IMD has predicted heavy rainfall over Karnataka and Kerala for the next few days.