Forecast issued at 4:45 am WST on Friday 4 September 2015.
Northern Western Australia
A trough of low pressure across the central Kimberley and along the Pilbara coast will deepen over the central Pilbara during Friday.
Southern and Central Western Australia
A cold front will reach the southwest of the State Friday afternoon, weakening as it moves east during the evening. Another weaker cold front will cross the southwest Capes during Saturday morning and move east along the south coast. A ridge of high pressure will then develop over southern districts during Sunday and Monday.
Forecast for the rest of Friday
Showers developing about the southwest Capes early afternoon, extending to areas southwest of a line from Geraldton to Albany by evening and Shark Bay to Hopetoun by midnight. Thunderstorms possible southwest of a line from Perth to Albany.
Saturday 5 September
Showers over the South West Land Division, Goldfields, Eucla and the southern Gascoyne, contracting to the eastern parts of the Goldfields, Eucla, and the south coast east of Walpole by the evening. Small hail and thunderstorms possible near the western south coast.
Sunday 6 September
Mostly morning showers near the south coast and Eucla coast.
Monday 7 September
Possible showers near the western south coast.
The next routine forecast will be issued at 4:30 pm WST Friday.