Blackout risk warning as scorching temperatures forecast for parts of NSW

Power supplies will become tight in New South Wales and Queensland this week, with parts of western Sydney tipped to approach 40C

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Power supplies will become tight" in New South Wales and Queensland later this week as the season's first major heatwave coincides with outages at big coal-fired power stations.

Parts of western Sydney are forecast to approach 40C on Tuesday and Wednesday during a pre-summer hot spell spanning a week of 30C-plus days. Heatwave conditions in eastern parts of NSW will be in the low- to severe-intensity range, the Bureau of Meteorology said.

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