Forecast issued at 4:45 am WST on Wednesday 18 January 2017.
Northern Western Australia
A trough lies across the inland Pilbara and North Interior. A low pressure system will move into the North Interior during this morning, increasing rainfall over the east of the State.
Southern and Central Western Australia
A deepening trough near the west coast, will move eastwards late today and into Thursday. A new ridge develops over the southern parts during Thursday before a new trough develops near the west coast over the weekend.
Forecast for the rest of Wednesday
Showers and thunderstorms over the Kimberley, Interior, Pilbara, inland Gascoyne and Central West District. Rain over the eastern Goldfields, Eucla and and adjacent Interior. Showers developing over the Lower West and South West districts during the afternoon, extending in to the central and western parts of the South West Land Division in the afternoon and evening. Moderate to heavy falls possible in the southeast Kimberley and North Interior.
Thursday 19 January
Showers and thunderstorms over the Kimberley, east Pilbara and inland Gascoyne. Rain with possible heavy falls in the Interior. Rain in the southeast Goldfields and Eucla, clearing from the west during the day. Showers south of a line from Bunbury to Israelite Bay, contracting to the coastal parts between Albany and Israelite Bay in the afternoon.
Friday 20 January
Showers and thunderstorms over the Kimberley, Pilbara and northeast Gascoyne. Rain with possible heavy falls in the Interior. Showers about southern coastal parts east of Hopetoun, contracting to the Eucla coast during the day.
Saturday 21 January
Showers and thunderstorms over the Kimberley, Pilbara, inland Gascoyne, Eucla including the adjacent parts of the Goldfields and the South West Land Division. Rain with possible heavy falls in the Southern Interior.
The next routine forecast will be issued at 4:30 pm WST Wednesday.