The latest casualty was reported in Siddharthnagar where a person is said to have drowned in flood waters, the relief commissioner's office stated.
In the rainfall that occurred overnight, Mankapur recorded showers measuring 110mm while Mathura and Bijnore got 90mm each.
Sitapur and Kaiserganj received 80mm each while Kanpur and Amroha both reported 70mm rainfall.
The forecast is for rain and thundershowers across the state with heavy to very heavy showers likely at one or two places in western UP.
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Central Water Commission (CWC) sources, meanwhile, said that the Sharda and Ghaghra rivers continued to flow above the danger mark in the state.
Also, Ganga was flowing close to the danger mark at Fatehgarh, Ankinghat and Kanpur while the Sharda had breached the red mark at Palia Kalan.
Ghaghra was flowing above the red mark at Elgin Bridge in Barabanki, at Ayodhya and at Turtipar in Ballia, CWC sources said adding that the Rapti, too, was flowing near the danger level at Shrawasti, Balrampur, Bansi and Birdghat (Gorakhpur).