Forecast issued at 4:45 am WST on Saturday 30 May 2015.
Northern Western Australia
A rain band across the Interior and adjacent Pilbara is weakening and will clear during Saturday. A high pressure system over the south of the State on the weekend will produce an easterly flow over northern parts.
Southern and Central Western Australia
A high pressure system over the south of the State will be slow moving over the weekend. A cold front will move over the southwest corner of the State on Monday night followed by another cold front on Tuesday night.
Forecast for the rest of Saturday
Rain and possible thunderstorms over the Interior and adjacent Pilbara, easing and contracting eastwards during the day. The chance of showers near the south coast.
Sunday 31 May
Showers and possible thunderstorms through the southeastern Interior and over the far northern Kimberley. Showers possible near the south coast.
Monday 1 June
Showers and possible thunderstorms over the northern Kimberley and northeast Interior. Showers developing near the Southwest Capes, extending to areas southwest of a line from Perth to Albany in the evening.
Tuesday 2 June
Showers west of a line from Shark Bay to Merredin to Bremer Bay, mainly near the west coast in the morning. Showers and possible thunderstorms through the Kimberley, Interior, eastern Goldfields and Eucla.
The next routine forecast will be issued at 4:30 pm WST Saturday.