Heat Wave Likely To Abate in Delhi: Rain-Thundershowers Mid-Week Onwards
Representational Image: AI-Skymet
Key Takeaways:
- Delhi/NCR continues to witness extreme heat with temperatures hovering between 43°C and 44°C.
- Heat wave conditions are likely to ease from 28 May onward due to pre-monsoon thunderstorm activity.
- Thunderstorm, dust storm, gusty winds, and scattered showers are expected between 28 and 31 May.
- Maximum temperatures may sharply fall to the mid-30s, ending the prolonged spell of 40°C-plus heat.
Dry and hot weather conditions continue to prevail over Delhi/NCR. Day temperatures remained between 43°C and 44°C at all weather stations. As the temperatures were above normal by about 3°C-4°C and stayed below 45°C across the region, technically it does not qualify as heat wave conditions. Earlier, the city had recorded the warmest night in the last 14 years on 24 May 2026. The night temperature was 32.4°C, about 5.7°C above normal. The warmest night of the last two decades remains 27 May 2012, when the Safdarjung base station recorded a minimum temperature of 34.2°C. These temperatures have eased now, and the minimum temperature this morning was near normal at 26.8°C.
There is likely to be a twist in the weather conditions around mid-week. Typical pre-monsoon thunderstorm-dust storm activity, followed by sharp showers, is likely. Heat wave conditions are expected to abate, and the maximum temperatures are likely to drop to the mid-30s.
A fresh western disturbance is likely to arrive by 28 May 2026. An induced cyclonic circulation will accompany it over South Punjab and North Rajasthan. An east-west trough is likely to extend from this circulation to Southwest Uttar Pradesh and North Madhya Pradesh between 27 and 31 May 2026. Localized heating, slight moisture incursion, and oscillation of the trough will trigger pre-monsoon activity. The thunderstorm-dust storm spell is likely between 28 and 31 May, becoming more intense during the last two days. The proximity of the trough and soaring mercury may initiate convective buildup during the evening hours of 27 May. Feeble thunder, distant lightning, and brief gusty winds may occur during the night hours.
The heat wave will abate as temperatures are expected to fall below normal and break the prolonged spell of 40°C-plus temperatures prevailing since the middle of the month. Temperatures in the mid-30s will defy the usual pattern of mid and high 40s during the last week of May. Historically, the month has a tendency to register its highest temperatures during the fag end. Delhi recorded the season’s highest temperature of 45.1°C on 19 May 2026, and it is unlikely to be surpassed during the remaining days of the month.
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