Hot weather will give way to possible storms on Wednesday and cooler temperatures by Thursday. Photo: Erin JonassonPerth will sweat through a hot Tuesday night before the possible arrival of thunderstorms on Wednesday evening and a temperature drop of at least 10 degrees for Christmas Day.
A maximum temperature of 39 degrees is forecast for the city on Tuesday, before the mercury drops to only 25 degrees overnight and then rises again to 39 degrees on Wednesday.
But potential afternoon storms on Wednesday and a minimum 19 degrees on Wednesday night will foreshadow maximums of 27 on both Thursday and Friday.
“We are looking at thunderstorms developing on Wednesday, as early as the afternoon but more likely probably the evening,” Weatherzone meteorologist Kim Westcott said.
“These thunderstorms are most likely around the north of Perth but could reach Perth city itself and will probably last an hour or two before it moves off pretty quickly.”
Christmas eve is likely to be windy and also significantly cooler.
“We are going to see it be at least 10 degrees cooler so that will be quite nice,” she said.
“We are going to see a pretty windy day, especially in the afternoon so that will really pick up Christmas day, the wind will be a little bit fresh at times.
“Christmas Day, winds could be 25km/h so people should probably find a sheltered spot away from the southerlies in the afternoon.”
The potential storm would be caused by a low pressure trough, with the cooler temperatures the result of a cold front.
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