Rains over these places will be witnessed courtesy an active monsoon trough. Monsoon trough is essentially a region of intensified moisture laden monsoon winds. Southwesterly winds from the Arabian Sea are turning into southeasterly along the trough while there is some mixing with easterly winds from the Bay of Bengal as well.
The monsoon trough is shifting northwards and would be positioned along the foothills of Himalayas after forty eight hours. This will increase rainfall over Uttarakhand, Himachal Pradesh and Punjab. Rains would be moderate.
Though, the monsoon trough has moved away from central India, the region is likely to retain light rain with isolated moderate at a few places.
The monsoon trough is passing south of Delhi and light rains are possible in the capital in the next twenty four hours. The trough will cross Delhi during the next twenty four to forty eight hours. After that westerlies may increase uneasiness with high temperature and humidity over Delhi and adjoining areas.
The shift of monsoon trough towards eastern Himalayan foothills will increase rainfall over east India, northeastern states as well after forty eight hours.
A cyclonic circulation is existing over Orissa. This will bring rain showers over Jharkhand, Orissa, north Telangana as well as north coastal Andhra Pradesh. A trough along the east coast is feeding this circulation. The circulation is likely to move northwards to enhance rain over east India and northeastern states in the next forty eight to seventy two hours.
The off shore trough extending along the west coast from Konkan to Kerala coast is weak but light to moderate rain would continue to occur in the region due to the presence of southwesterly moisture-laden winds.
In south Peninsula, Tamil Nadu will get some rain due to prevailing weak southwesterly winds. Isolated moderate spells can be experienced in parts.
West Rajasthan and Gujarat will remain dry as westerlies persist.