West Australians were treated to an amazing array of lights in the night sky on Wednesday thanks to an Aurora Australis.

Generally 10-20 cm of fresh snow is expected by Friday evening with amounts possibly exceeding 20 cm possible along the eastern slopes of the Riding, and Duck Mountains as well as the Swan Hills.

Text messages between the pilot involved in a fatal seaplane crash off Western Australia's Rottnest Island and his boss have revealed there were fears over strong winds in the lead-up to the incident.

As the planned 4pm departure from Thomson Bay loomed closer, one of the Swan River Seaplanes directors texted Mr Wong to check the wind conditions. He responded it was "rough but ok," and the ...