New Delhi, July 26:

With the gradual shifting of the monsoon trough northwards from Wednesday, rain is likely to pick up over northwest India particularly Uttarakhand and Himachal Pradesh later this week, India Meteorological Department (IMD) said on Tuesday.

A low-pressure area is lying over south Pakistan and neighbourhood regions. The associated cyclonic circulation is extending up to mid-tropospheric levels. It is likely to become less marked during the next 12 hours.

The monsoon trough is running south of its normal position. It is very likely to shift gradually northward from Wednesday onwards.

Under the influence of these systems, widespread light to moderate rainfall with thunderstorm and lightning is very likely over Gujarat, Konkan, Vidarbha, East Madhya Pradesh, Chhattisgarh, Coastal Karnataka and Telangana and scattered to widespread rainfall activity over Odisha, Jharkhand, West Madhya Pradesh, ghat areas of Madhya Maharashtra, Marathwada, Coastal Andhra Pradesh, Interior Karnataka and Tamil Nadu till July 28.

Isolated heavy rain is likely over Odisha & Gujarat on Tuesday; Jharkhand on July 28 and 29; Telangana on July 26 and 27; South Interior Karnataka till July 29 and over Tamil Nadu, Puducherry and Karaikal during July 26 to 29.

Widespread rainfall with isolated heavy rain and thunderstorm/lightning is likely over Jammu & Kashmir on July 28 and 29; Himachal Pradesh & Uttarakhand till July 30.

Isolated heavy to very heavy rainfall very likely over Himachal Pradesh and Uttarakhand during between July 28 and 30.

Scattered to fairly widespread light to moderate rainfall with isolated heavy rain and thunderstorm/lightning over West Rajasthan today; East Rajasthan on Wednesday and Bihar during July 27 to 30 and over Punjab, Haryana-Chandigarh, Uttar Pradesh during July 28 to 30.