Other areas of the city were also described as looking like it was covered in snow. Another resident said Malfroy Rd, Petrie St and Amun Pl were covered in hail.
"There are cars slipping around all over the place. There's bound to be a crash."
United Networks spokesman Danny Gough said their staff were flat our dealing with lightning strikes, trees down and a truck has hit a transformer on Fairy Springs Rd.
Power has been cut to homes in Springfield Rd and other isolated parts of Rotorua as well as Rotoma, Rotoiti, Rotoehu.
There were also powercuts at some retail stores in the central city.