Forecast issued at 4:30 pm WST on Monday 20 February 2017.
Northern Western Australia
A surface trough lies across the western Kimberley and inland Pilbara and will persist over the next few days.
Southern and Central Western Australia
A surface trough lies inland from the west coast and will move east over central parts of the State during the remainder of Monday and across the southeast on Tuesday. A cold front, strong for this time of year, will move across southern parts on Tuesday, with very windy conditions for a period near the south coast. Behind the front, a new ridge of high pressure will develop over the south coast on Wednesday and by Thursday, a surface trough will begin to form along the west coast.
Forecast for the rest of Monday
Showers and thunderstorms over the Kimberley, western Pilbara, Gascoyne, eastern South West Land Division and western Goldfields. Showers also developing near the western south coast in the late evening.
Tuesday 21 February
Showers and thunderstorms over the western Kimberley, Pilbara, eastern Gascoyne, Goldfields, eastern South West Land Division and Eucla. Showers also south of a line Jurien Bay to Norseman, contracting to mainly southern coastal parts later in the day. Windy across much of the southern half of the State.
Wednesday 22 February
Showers near the south coast, mainly in the morning. Showers and thunderstorms over the inland east Pilbara, central and west Kimberley and the northern Interior.
Thursday 23 February
Morning showers near the western south coast. Showers and thunderstorms over the inland Pilbara and the north and west Kimberley.
Friday 24 February
Showers and thunderstorms over the Kimberley, western inland Pilbara and adjacent Gascoyne.
The next routine forecast will be issued at 4:45 am WST Tuesday.