It’ll be particularly sweltering in the south,where East Gippsland is under a severe heatwave warning,while strong northerly winds will put the fire danger rating up to extreme in the Mallee and Wimmera further north by Tuesday,according to bureau forecaster Bri Macpherson.
Throughout the state,Monday night is likely to be particularly warm – overnight minimums are tipped to remain in the 20s – before a cool change sweeps through later on Tuesday afternoon.
“Those northerly winds coming across the Tasman Sea will really build[to hot temperatures] by Monday,” said Macpherson.
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As for that Tuesday cool change,thunderstorms could develop in the evening,including in Melbourne,but the fast-moving trough is likely to sprinkle rain across the state rather than dumping torrential downpours in one spot.
A comfortable 20 degrees is the forecast top for Wednesday.
While Melbourne has already sweated through its hottest day of the summer so far,Macpherson said this was its first heatwave.