Uncertain weather outlook for WA firegrounds as thunderstorms forecast for south-east

As devastating fires claim scores of homes in the Perth Hills a tropical low is tracking down the north-west coast, a transient Tasman low is brewing in the east and a front is making its way across the Bight.

Temperatures are expected to drop from the high to low 30s on the firegrounds today, but there is little rain on the way and the Bureau of Meteorology says wind will…