IDW10100 
Australian Government Bureau of Meteorology 
Western Australia 

Western Australia Forecast 
Issued at 4:30 pm WST on Thursday 9 January 2020 
for the period until midnight WST Monday 13 January 2020. 

Warning Information 
For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659
210* or listen for warnings on relevant TV and radio broadcasts. 

Weather Situation – Northern Western Australia 
Ex-Tropical Cyclone Blake located over the eastern Pilbara will move further 
south tonight and reach the western Interior before weakening by Saturday. The 
monsoon trough contracts to the northern Kimberley on Friday, with a broad 
trough extending through the Pilbara on Saturday. Late Saturday and during 
Sunday another tropical cyclone is forecast to pass to the north of the 
Kimberley. This system is likely to continue tracking southwest on Monday well 
north of the Pilbara coast. 

Weather Situation – Southern and Central Western Australia 
A trough will move north into the South Interior tonight. A ridge of high 
pressure strengthens to the south of the State on Friday as a second trough 
develops down the west coast. On Saturday a high pressure system will lie in 
the Bight and the surface trough will deepen near the west coast. The surface 
trough will move eastwards during Sunday to lie over the central South West 
Land Division on Monday as a new ridge of high pressure develops to the south 
of the State. 

Forecast for the rest of Thursday 9 January 
Showers and thunderstorms over the Kimberley, central and eastern Pilbara, 
eastern Gascoyne, Interior, Eucla, Goldfields as well as eastern parts of the 
South West Land Division. Rain with moderate to heavy falls likely for parts of 
the southeast Pilbara, northeast Gascoyne, Goldfields, western South Interior 
and the Eucla. 

Forecast for Friday 10 January
Showers and thunderstorms over the Kimberley, Pilbara, far eastern Gascoyne, 
Interior, and the northeast Goldfields. Rain and moderate to heavy falls 
possible over the South Interior and the adjacent Goldfields and Eucla 
districts. 

Forecast for Saturday 11 January
Showers and thunderstorms over the Kimberley, Pilbara, eastern Gascoyne, 
Interior, and the northern parts of the South West Land Division. Areas of rain 
over the Eucla. Moderate to heavy falls possible over the north Kimberley coast. 

Forecast for Sunday 12 January
Showers and thunderstorms over the Kimberley, Pilbara, Gascoyne, western 
Interior, Eucla, Goldfields, and the eastern parts of the South West Land 
Division. Heavy falls possible over the north Kimberley. 

Forecast for Monday 13 January
Showers and thunderstorms over the Kimberley, Pilbara, Gascoyne, Interior, 
Eucla, northern Goldfields, and the far northern parts of the South West Land 
Division. Heavy falls possible over the north Kimberley. 

The next routine forecast will be issued at 4:45 am WST Friday. 

* Calls to 1300 numbers cost around 27.5c incl. GST, higher from mobiles or 
public phones. 

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