According to a Central Water Commission (CWC) report, the Ganga is flowing above the danger mark in Ballia and Ghazipur.
Low pressure over the Bay of Bengal has resulted in torrential showers in Mumbai city, suburbs, Thane and Palghar.
Several places in Bhopal, Indore, Alirajpur, Jhabua and Mandsaur, as well as Rewa, Satna, Sidhi, Singrauli, Bhind and Mandla are likely to experience rain or thundershowers.
As heavy rains have flooded railway tracks, many trains plying to and from Kerala and parts of Tamil Nadu on Monday and the next two days have been cancelled by Southern Railways.
Meanwhile, all government schools will remain closed in Thane today as per the order issued by the Municipal Corporation in view of continuous rainfall in the city.
Strong winds, speed reaching 40-50 kmph, are likely to prevail over the north Arabian Sea, central and southwest Arabian Sea.
Lucrezia Terzi, who works with the Belgian Nuclear Research Centre, is leading a group of scientists researching on the subject.
Monsoon is likely to hit Madhya Pradesh by June 28.
According to the chief minister, there were 15,000 cases of dengue in 2015, but in 2018, the number of reported cases was 2,700.
Fishermen have been advised not to venture into the sea in the next few days and ports have been asked to flag the danger signal.