As per the forecast issued by the Bureau of Meteorology, Australia, the Perth area is expected to witness cloudy conditions with a very high chance of rainfall, becoming less likely late on Friday (27 September) afternoon and evening.

Winds will be west to northwesterly at 15 to 20 km/h, turning southwesterly at 25 to 35 km/h during the morning and early afternoon, then decreasing to 15 to 25 km/h in the evening.