Large areas without power still remain in Niagara Falls, Lewiston, Wheatfield and Cambria Saturday afternoon after the storms late Friday/early Saturday.
A travel advisory was issued Saturday morning in the Falls as the city was dealing with a large number of downed trees, power lines and flooding.
In the city, about 1,800 were still without power at 1 p.m., according to National Grid.
More than 4,000 customers remained without power in Lewiston and more than 3,000 were waiting for power to be restored in Wheatfield.
In Cambria, where more than 1,300 customers were without power, the Cambria Volunteer Fire Co. is opened the doors of its fire hall at 4361 Cambria-Wilson Road as a shelter for town residents.
In North Tonawanda, where a large number of customers were also without power, the American Red Cross opened North Tonawanda High School, 405 Meadow Drive, up as a shelter.
National Grid officials said that while they will be continuing to restore customers throughout the day Saturday, many customers in the hardest hit areas will not have power restored till later Sunday barring additional storms that may move through the region.
At its peak, about 75,000 customers in upstate New York lost power due to the storm. About 28,500 customers were in the western New York region primarily in Erie and Niagara Counties.