Heavy rains hit Iran hard in the past week, with the fatalities being recorded in Khorasan province.
"Following the floods in the province, three women lost their lives on Friday," Hojat Ali Shayanfar, head of a crisis management unit, told the official IRNA news agency.
Meanwhile, relief workers rescued 600 locals trapped after torrential floods and a landslide in Golestan province, Iran's Red Crescent said on Saturday. Food was distributed to those affected.
Hassan Sadeqloo, Golestan's governor, was quoted by IRNA as saying the initial estimate of the damage in the province was $49 million (36 million euros).