Fairly widespread rainfall is expected along Kerala, coastal Karnataka and in the north east states of Assam, Meghalaya, Sikkim, Nagaland, Manipur, Tripura, Mizoram and some parts of West Bengal.
However, there still seems to be no respite from heat for North India as temperature in UP, Delhi and Punjab is likely to remain above 40 degree Celsius on Thursday.
Even in Jammu, the residents experienced the hottest ever first week of June in its history as the maximum temperature touched 42.3 degrees Celsius Wednesday, an official said Thursday.
"The ongoing week has been the hottest in Jammu city as far as our records are concerned," said on official of the weather office here.
Very few people were seen on the roads Wednesday because of the heat wave for nearly two weeks with brief relief during this period due to cloud cover.
Businesses and daily life was affected as people chose to remain indoors to avoid the scorching sun outside.
The maximum temperature here Wednesday was 42.3 degrees Celsius, while the minimum was 24 degrees Celsius, said the Met Office.
With agency inputs