A low-pressure area hovering over southwest Rajasthan is about to deliver widespread rain across Sindh, with the Pakistan Meteorological Department warning that some districts could face urban flooding by July 27. The system, drawing moisture from strong monsoon currents in the Arabian Sea, threatens to disrupt daily life in both rural and urban areas. Main Developments Moderate to heavy rain is forecast for Tharparkar, Umerkot, Mirpurkhas, Badin, Sanghar, Tando Muhammad Khan, Tando Allahyar, Hyderabad, Matiari, Jamshoro, and Shaheed Benazirabad districts from Friday through July 27. Lighter rain and thunderstorms are expected in Ghotki, Kashmore, Jacobabad, Shikarpur, Sukkur, Qambar Shahdadkot, Larkana, Khairpur, Naushahro Feroze, and Thatta during the same window. Karachi will see partly cloudy, warm, and humid conditions with a chance of thunderstorms on its outskirts. Light rain or drizzle may fall at isolated spots over the weekend, while temperatures stay between 28°C and 37°C. The PMD also warned that windstorms and lightning could damage solar panels, electricity poles, and billboards in affected areas. Read also: 3 Fractures in Pakistan's Petrol Pump Strike After Government Talks Background The current weather pattern stems from a low-pressure system over southwest Rajasthan, which is pulling in moist air from the Arabian Sea. This combination often triggers monsoon rains in southern and central Pakistan during July. Similar systems have caused urban flooding in Sindh in previous years, particularly in low-lying neighborhoods. Why It Matters Urban flooding could paralyze transportation, damage homes, and strain drainage systems in cities like Hyderabad and Mirpurkhas. The PMD's advisory to farmers to adjust agricultural activities and protect livestock underscores the risk to food supply chains. For Karachi, even light rain can overwhelm infrastructure, disrupting commerce and daily routines. What's Next The PMD expects the rain to ease after July 27, but hot and humid conditions may persist. Authorities are likely to monitor flood-prone areas and issue further alerts if needed. Residents in the warned districts should prepare for potential power outages and travel delays.