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People across the Northern Territory have been urged to drink plenty of water and stay cool as a severe heatwave tightens its grip on the region.
NT Health on Tuesday issued a severe and extreme heat health alert, with residents and visitors urged to take action to avoid heat stress and dehydration.
The Bureau of Meteorology had earlier issued a heat warning for most of the territory, including the Daly, Arnhem, Carpentaria, Gregory, Barkly, Lasseter and Tanami districts.
Temperatures in central Australia will soar with Alice Springs forecast to reach 41C on Tuesday and 42C on Wednesday.
In the Top End, Darwin is also set to swelter, with a top of 35C forecast for Tuesday and 34C expected on Wednesday in humid conditions.
Timber Creek, near the Western Australian border, will be among the hottest places in the NT with maximum temperatures in the forties, including 45C on Friday, until Sunday.
People are encouraged stay indoors in air-conditioning or seek out shady areas with a breeze and drink cold or iced water.
They've also been told to decrease physical activity, wear lightweight, light-coloured, loose clothing and a hat.