Introduction
Pakistan is currently facing intense heat, especially in Sindh and Punjab, but a shift in weather patterns is finally on the horizon. The Pakistan Meteorological Department (PMD) has issued a fresh forecast, predicting the arrival of a pre-monsoon weather system beginning Saturday, June 15, 2025. After weeks of extreme temperatures, many parts of Sindh, especially eastern districts, are expected to receive isolated rain showers and gusty winds, providing much-needed relief from the oppressive heat.
Let’s take a detailed look at the upcoming weather changes, their expected impact across various regions of Pakistan, and what residents need to know.
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Heatwave Intensifies Across Sindh
On Friday, June 14, the weather remained extremely hot and dry across Sindh. Districts such as Karachi, Hyderabad, Jacobabad, Larkana, Sukkur, and Dadu recorded temperatures ranging between 43°C to 47°C. The real-feel temperature, however, was even more brutal due to high humidity and low wind movement.
Karachi’s Struggle Without Sea Breeze
Karachi, Pakistan’s largest city, continues to suffer under severe heat stress. One of the main reasons for this is the disruption of sea breeze, which usually acts as a natural cooling mechanism for the coastal city. Currently, the sea breeze is blocked, and this pattern may persist for the next 3 to 5 days, worsening the heat index.
According to meteorologists, this disruption is caused by unusual wind behavior over India’s Gujarat region and the influence of a western weather system passing near Pakistan’s northwestern areas. This combination has significantly raised the humidity levels and trapped heat, pushing the real-feel temperature in Karachi between 43°C and 49°C, even though actual temperatures hover between 37°C and 39°C.
Rain Forecast in Eastern Sindh
A silver lining appears for the eastern regions of Sindh. The PMD has announced that a pre-monsoon system is likely to begin from Saturday, bringing scattered rain showers, thunder, and gusty winds.
Expected Rainfall Areas (June 15 – June 18)
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Tharparkar
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Umerkot
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Mirpurkhas
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Badin
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Sanghar
These regions could experience isolated to moderate rainfall starting late Saturday into Sunday. By Sunday and Monday, Sukkur, Ghotki, Shikarpur, Jacobabad, and Khairpur may also receive rain with strong winds. This could lower the temperatures slightly but not eliminate the heat entirely.
Meteorological experts have stated that thunderstorm development is likely, especially during evening and night hours, due to the clash of moist eastern winds and dry continental air from the west.
Heatwave in Punjab Continues
The situation is no better in Punjab, where cities like Lahore, Multan, Bahawalpur, and Faisalabad are dealing with extreme heat. In Lahore, the temperature touched 44°C on Friday, with a real-feel of 47°C due to high humidity and lack of winds.
Hospitals in southern and central Punjab have reported an increase in heatstroke cases, especially among the elderly, laborers, and children. Citizens are being advised to stay indoors during peak hours (11 AM to 4 PM) and stay hydrated.
Khyber Pakhtunkhwa Faces Unusual Heat
Khyber Pakhtunkhwa (KP) is also facing an alarming rise in temperatures. In cities like Peshawar, Mardan, Bannu, and Dera Ismail Khan, the temperature has climbed 6 to 7°C above normal, reaching up to 44°C. The lack of rain and high humidity levels are worsening the heat’s impact.
Residents are being urged to avoid unnecessary travel, especially during the afternoon, and take precautions such as wearing light-colored clothes, covering heads, and using wet towels to cool down.
Balochistan’s Dry Heat Persists
In Balochistan, cities like Turbat, Sibi, and Dalbandin continue to experience dry and scorching conditions, with maximum temperatures hovering around 45°C to 47°C. Due to the lack of cloud cover, UV exposure is dangerously high in these regions.
What is Causing This Weather Pattern?
Experts from the Pakistan Meteorological Department explain that the current heatwave and dry spell are a result of several climatic factors:
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Delayed Onset of Monsoon: The typical monsoon pattern is running late this year due to weak southwest winds from the Arabian Sea.
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Western Disturbances: A western weather system has passed near Pakistan but hasn’t caused rain, only added to dry atmospheric pressure.
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High-Pressure Zones: Persistent high-pressure areas over Pakistan and India are blocking cooler winds and trapping hot air near the surface.
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Urban Heat Island Effect: Especially in large cities like Karachi, Lahore, and Faisalabad, concrete and buildings are holding heat longer, leading to higher nighttime temperatures.
Relief on the Horizon?
According to PMD’s 7-day forecast, monsoon-like conditions are expected to develop more actively in southern and eastern Sindh from June 18 onwards. If this system strengthens, widespread rains may follow by the third or fourth week of June, potentially breaking the heatwave.
For northern Pakistan, including Islamabad, Murree, and Gilgit-Baltistan, light rain and cooler temperatures are expected starting next week, thanks to another incoming western trough.
Safety Tips During a Heatwave
Until the weather cools down, residents across Pakistan should take the following precautions:
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Stay Indoors during peak sunlight hours (11 AM to 4 PM)
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Drink plenty of water, even if you’re not thirsty
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Avoid caffeinated and sugary drinks
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Wear loose, light-colored clothing
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Use hats, umbrellas, or wet cloths to protect against sun exposure
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Avoid strenuous outdoor activities
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Keep a lookout for heatstroke symptoms: dizziness, nausea, rapid heartbeat, and fainting
Health Alert: Risk of Dehydration & Heatstroke
Doctors warn that the prolonged exposure to such heat, especially in areas without proper cooling systems, can lead to serious health problems, including:
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Heat exhaustion
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Dehydration
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Heatstroke
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Skin rashes
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Respiratory issues
Hospitals across Punjab and Sindh have been put on alert to handle a potential increase in emergency cases related to the heatwave.
Conclusion
While the expected pre-monsoon rains offer hope, the country still faces challenging weather conditions in the days ahead. Karachi, in particular, will need to brace for extended heat stress, while parts of eastern Sindh and upper Punjab might see thunderstorms and showers soon.
The authorities, including NDMA and local governments, are advising people to stay alert, follow weather updates regularly, and take all necessary precautions to stay safe during this period.
