Weather

Synoptic

Prognostic Chart

Saturday 22:00 EST

Very cold air will be directed across the southeast with a frontal system, bringing gusty showers to SA, VIC, TAS and southern NSW, with snow falling to low levels across alpine areas. A weak trough may produce showers over the eastern Top End. Dry elsewhere under a high.

Issued Friday 11:21 AEST

Friday - Latest

A cold front clipping southern WA is bringing a few showers, mainly coastal. Unstable winds in the wake of a trough are causing a few showers for coastal SA, VIC and TAS. A trough in the east is weakening, with high pressure building over most of the mainland.


Saturday 22:00 EST

Very cold air will be directed across the southeast with a frontal system, bringing gusty showers to SA, VIC, TAS and southern NSW, with snow falling to low levels across alpine areas. A weak trough may produce showers over the eastern Top End. Dry elsewhere under a high.


Sunday 22:00 EST

Very cold and gusty winds with a frontal system will bring showers, thunderstorms and snow to low levels across TAS, VIC and parts of NSW. A cold front clipping southwest WA will cause a few showers. High pressure should keep the interior generally mild and dry.


Monday 22:00 EST

A low and front approaching the southeast will trigger gusty showers in southeastern SA, VIC and TAS. Southerly winds in the wake of front will bring showers to the NSW coast. A trough will deepen over southern WA, generating a few showers and the odd thunderstorm.


Tuesday 22:00 EST

A pair of cold fronts moving across southern WA will cause brisk showers. A high in the east will begin to clear showers in the wake of a cold front. A weak region of low pressure across the tropics may produce isolated showers. Fine elsewhere under high pressure.


Wednesday 22:00 EST

A frontal system in the Bight will direct rain, showers and gusty winds to southern parts of WA and SA. Warm winds ahead of the front will filter across western parts of QLD, NSW and VIC. A trough over the Gulf of Carpenteria may cause the odd shower over Arnhem Land.


Thursday 22:00 EST

A low over parts of SA, western NSW and VIC will trigger areas of rain and the odd thunderstorm with possible small hail. A cold front crossing TAS will generate gusty showers. Onshore winds around high pressure will bring showers to some coastal parts of southern WA, SA and QLD.

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The Cairns Post Synoptic charts below provide isobar, rainfall probability and wind stream direction probability for the Cairns area and across Australia. The maps show the chronological weather pattern change at 10pm each day for the next 7 days.