Skymet Weather Forecast May 21: Heatwave Tightens Grip Across North India As Monsoon Advances Over Bay Of Bengal

By: Mahesh Palawat | Edited By: Arti Kumari
May 20, 2026, 12:00 PM
WhatsApp icon
thumbnail image

Representational Image: AI-Skymet

Key Takeaways:

  • Southwest Monsoon is likely to advance further over the Arabian Sea, Bay of Bengal and Andaman Sea.
  • Heat wave to severe heat wave conditions continue across North and Central India.
  • Rain and thunderstorm activity is expected over South India and Northeast India.
  • Multiple cyclonic circulations and troughs are influencing the current weather pattern across the country.

The Weather Systems Over The Country

Conditions are becoming favourable for the further advance of the Southwest Monsoon into more parts of the Southeast Arabian Sea, Comorin area, Southwest and Southeast Bay of Bengal, the remaining parts of the Andaman Sea, and some more parts of the East-Central Bay of Bengal during the next 3 to 4 days.

A western disturbance is seen as a cyclonic circulation over North Pakistan and adjoining Jammu at 3.1 km above mean sea level.

A cyclonic circulation is persisting over Punjab and adjoining areas at 1.5 km above mean sea level.

Another cyclonic circulation is positioned over East Uttar Pradesh at 0.9 km above mean sea level.

A trough extends from the cyclonic circulation over East Uttar Pradesh to Manipur across North Gangetic West Bengal and Bangladesh at 0.9 km above mean sea level.

Another trough extends from East Uttar Pradesh to Telangana across East Madhya Pradesh and Vidarbha, extending up to 1.5 km above mean sea level.

A cyclonic circulation is also seen over the South Coast of Andhra Pradesh between 3.1 and 5.8 km above mean sea level.

Weather Activities During The Last 24 Hours

During the last 24 hours, light to moderate rain, with one or two intense spells, occurred over the Andaman and Nicobar Islands, parts of Tamil Nadu, Lakshadweep and Kerala.

Light to moderate rain occurred over Odisha, South Chhattisgarh and North Interior Karnataka.

Light rain and thunderstorms occurred over Coastal Karnataka, Kerala, parts of Sikkim, Assam and Himachal Pradesh.

Heat wave to severe heat wave conditions prevailed over West Uttar Pradesh and parts of Madhya Pradesh.

Heat wave conditions also persisted over Madhya Pradesh, Rajasthan, Uttar Pradesh, parts of Haryana, Punjab and Delhi.

Forecast

During the next 24 hours, light to moderate rain, with one or two heavy spells, is likely over the Andaman and Nicobar Islands and Lakshadweep.

Light to moderate rain and thundershowers may occur over Tamil Nadu, Karnataka, Sikkim, Sub-Himalayan West Bengal, Assam, Arunachal Pradesh, Meghalaya and isolated pockets of North Bihar.

Light rain, with one or two moderate spells, is possible over Jammu Kashmir, Gilgit Baltistan, Muzaffarabad and isolated parts of Himachal Pradesh.

Isolated light rain is possible over South Madhya Maharashtra, Konkan and Goa.

Heat wave to severe heat wave conditions are likely over West Uttar Pradesh and parts of Madhya Pradesh.

Heat wave conditions may continue over Madhya Pradesh, Rajasthan, Uttar Pradesh, parts of Haryana, Punjab and Delhi.

Trending:

author image
Mahesh Palawat
Vice President of Meteorology & Climate Change
Mr. Palawat, Vice President of Meteorology & Climate Change, is a former Air Force boxer and a passionate weather enthusiast. Dedicated to tracking and predicting weather for the benefit of farmers and the general public, he has been an integral part of Skymet since its inception.
FAQ

Andaman and Nicobar Islands and Lakshadweep may witness moderate to heavy rainfall activity.

Rajasthan, Uttar Pradesh, Madhya Pradesh, Haryana, Punjab and Delhi are likely to continue witnessing heat wave conditions.

Yes, conditions are favourable for further advancement of the Southwest Monsoon over adjoining seas during the next few days.

Disclaimer: This content is based on meteorological interpretation and climatological datasets assessed by Skymet’s forecasting team. While we strive to maintain scientific accuracy, weather patterns may evolve due to dynamic atmospheric conditions. This assessment is intended for informational purposes and should not be considered an absolute or guaranteed prediction.

Skymet is India’s most accurate private weather forecasting and climate intelligence company, providing reliable weather data, monsoon updates, and agri-risk management solutions across the country.