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Perth weather: Start of summer greeted with wild temperature swings and rain

Monday December 4, 2017 - 14:23 EDT
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Drivers are warned of dangerous Perth road conditions amid a blast of summer rain. - ABC

Perth has experienced wild weather swings to kick-start summer as a baking weekend was hosed down with rain and an almost 10-degree temperature drop.

The city hit 34.9 degrees Celsius yesterday, but today is forecast to see a maximum of 26C, with more rain on the way in the first half of the day.

The city had recorded 6.6 millimetres of rain as of 7.45am, while the Rottnest gauge swelled to 13mm and Mandurah recorded 12.2mm.

A low sitting to the north is to blame, bringing humidity and rain to the city and WA's South West.

Bureau of Meteorology forecaster Ricus Lombard said the current conditions were not common, but were more likely in summer.

"They tend to happen in summer but they don't happen often," he said.

"It's all tied together with this low that's sitting well to the north, feeding moisture over us."

Main Roads has advised drivers to switch on headlights, ensure a safe braking distance and allow extra travel time.

In the South West, Witchcliffe has seen the most rain with 9.6mm in the past 24 hours, while Gingin Airport recorded 7.4mm.

The wet conditions are more likely to cause more falls in parts of the South West region today and again on Wednesday.

Mr Lombard said a cloud band which had formed across the State, shifting winds and a trough moving inland had brought about the temperature drop.

But conditions would ease later in the week for metro and country areas.

Perth has a forecast maximum of 27C tomorrow, rising to 35C by Friday.

Another hot weekend is predicted, with a maximum of 37C on Saturday, falling to 35C on Sunday.


© ABC 2017

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